How to Develop an Education & Tutoring Apps ?

Tutoring Apps and Education is important to every child’s development. As a guardian, you want to find the best way to learn for your kids. If they are the week in a particular subject. No problem today we are a world of digitalization. Your smartphone could be a helpful tool. Education & tutoring apps development companies are available easily today.

Tutoring-Apps

Nowadays, everybody has a smartphone, even the smallest of kids. Most of the kids play games. Also to communicate with friends. Get fresh news, and to learn. Some of the right people use a phone to study or research. Today So many educational apps, kids learning app, technique apps of any size available on the app store or play market.

According to one of research the next four years, approximately a billion students will complete middle and high school, most of them will have a smartphone in their pocket. Students will decide what apps they use and when they use them, a large part of their education into their own hands.

In this blog, we will cover main types, features, benefits of the education app and how to develop an education tutoring apps.

Battery life is everything
The youngsters, phones are the basic node of social interactions and the place where events unfold in real time. They use or check their phones constantly. But this constant usage means user start running into limits battery life storage space and data.

A student did not see a feature we had designed because her screen was too dim. We noticed most of the high school students keep their brightness at the minimum so their phone battery life is long.

Students use lots of apps slightly older, which means they often run out of storage space on their devices. A lot of apps more use the battery power.

Photos are the quickest way to share content

That’s normal for students to snap a photo of a half done problem send it to a friend the fellow rewrite the solution or next step on a paper click a photo and send it back. Most of the student doing this type of activities. This is one of best and simple way to share ideas and learn more.

Question paper on a mobile phone takes forever and many assignments. Most of the case if students type some in our mobile face a problem at the time of maths symbols. Diagrams.charts. That’s why Snape is the best way to click everything.

Easier to take a screenshot and share it than to copy and paste a URL into iMessage. There is a  new image recognition APIs from Google and IBM they are surprisingly accurate and micro tutoring apps. If students send a snap of their question quickly responded with an answer.

Learn More:-10 Best Freelance Websites to Search Jobs

Students treat their phones like a tutor, not a textbook

Scholar search on the internet for guidance, they start by google and typing in their exact homework question, maximum of the students search on yahoo or answer.com.
Some time exact question not found on the internet, student modify their question or query to make it more general.

Most of the high-quality education sites like CK-12, Khan Academy, etc. on this sites specific question answer.

Today’s educational content is painful to consume on mobile devices

We have watched students scroll through 20 page PDFs on their phones. Looking at tiny font to get their answer. Even website regular optimized for mobile can be really uncomfortable to read on a phone. Most educational content online was created to be read on a computer with a  fast connection and large screen.

In our test, 35% of students opened on their phones took more than five-second to load.
For the phone, content created mobile native fast, chunked and easy to read on a small screen. Reward points for students mobile friendly multimedia. They have subscribed to or follow snapchat’s lead and make vertically oriented.

Friends teach each other over chat

The student will ask their friends for help. When doing so one on one or in small groups students will typically use iMessage, whatsapp, facebook, messenger Many more. Students are connected to each other mostly this social media sites. To communicate their complete class students create a WhatsApp or facebook group at the beginning of the year and invite all their classmates.

They all are converse in this group put a problem other of friends answer this problem or answer over behalf of knowledge.

10 Best Freelance Websites to Search Jobs

Freelancing jobs have many perks, including flexible working hours and remote work. Using a freelance website is great for those looking for additional ways to earn extra money, for those simply enjoying the freedom of self-employment, and for those looking for more professional growth. Whether you’re working on the internet or remotely, in almost every field there are ways for anyone to seek freelance work. Whether you’re working on the internet or remotely, with the aid of the freelancer job app solution, there are more opportunities for freelancers in almost every industry.

Freelance Websites

Looking for a job? Or you’re hunting for a new career that freelancing firms are offering. There are a number of companies that provide work through freelance websites, as we are looking in a techie world. As a freelancer, the primary part is getting good-paying jobs. There are different sites where you can choose for yourself the best job.
List of 10 amazing freelance websites to search for the perfect job

Freelancers have become increasingly popular in recent years, resulting in a dramatic increase in the number of websites. Here is the list of amazing websites to search for the perfect freelance job in 2020.

1. SimplyHired: SimplyHired is one of the leading freelance job search platforms, where jobs can be found for almost every profession, from salespeople to construction workers. This particular website has a blog on hiring tips, location-based search and company’s directory. It is the best freelance job searching websites similar to freelance websites.

  • Launched in 2003
  • Headquarters: Sunnyvale, California, United States
  • Founders: Gautam Godhwani, Peter Weck
  • Parent organization: Indeed, Inc.

2. Upwork: Upwork is one of the largest freelancing websites in the world. Upwork makes it easier for the best companies and independent experts in the world to find each other without the conventional time and place barriers. Upwork helps clients to discover, recruit, work and pay freelancers efficiently, smoothly and cost-effectively. Upwork is used by businesses of all sizes, from one-person enterprises to leading companies.

    • Founded in:  May 5 2015
    • Headquarter In: Califonia U.S
    • Area Served: Worldwide
  • Created by: 
  • Beerud Sheth
  • Srini Anumolu
  • Sanjay Noronha
  • Key People
  • Stephane Kasriel
  • Thomas Layton
  • Website: upwork.com

3. Toptal: Toptal is an elite network of the world’s top talent in business, design, and technology that enables companies to scale their teams, on-demand. Toptal is the largest fully-distributed workforce in the world. Once you get through Toptal’s screening process for the job, you will get hired for the most meaningful projects with the great clients (like JPMorgan, Airbnb, etc). You will get the opportunity to be involved in the total community for techie events.

Founded in: 2010

Founders: 

  • Taso Du Val
  • Breanden Beneschott

Headquarter: Silicon Valley, Califonia

Website: www.toptal.com

4. Freelancer: Freelancer is an Australian online crowdsourcing website that allows potential employers to post work that can be bid to be done by freelancers. Freelancer is the website which gives you the opportunity for competing with other freelancers. If you have the potential and the competency, Freelancer is the perfect platform for proving your capabilities and that will attract more clients.

Founded In: 2009

Headquarter: Sydney Australia

Country Origin: Australia

Founder: Matt Barrie

Website : www.freelancer.in/

5. 99designs: 99designs in the right platform for searching for jobs in 2020 by the people who are freelance designers. 99Designs gives you the opportunity for competing in numerous contests for designing and get feedback for their work because the clients opt for the best ones. Talented and creative designers have a great opportunity through this platform.

Founded: 2008

Headquarter: Melbourne, Australia

Founders:

  • Matt Mickiewic
  • Mark Harbottle

Websites: 99designs.com

Read More:- Which one is best to buy iPhone 7 or iPhone 6S

6. PeoplePerHour: Peopleperhour is the website for searching for the best job for web projects. If you have proficiency in designing, if you are an SEO specialist, web developer, then PeoplePerHour is the platform made for you where you will find the right job as per your capability. PeoplePerHour links your company with a global freelance community that wants nothing more than to help your business thrive. Discover trained and tested experts for every imaginable skill — one discovery can forever change your business.

Founded in:  2007

Headquarter: London, United Kingdom

Website: www.peopleperhour.com

7. Nexxt : If you are a creative person, a publisher, an editor, a writer, or a perfect blend of all these is your talent, then Nexxt is the perfect platform for you to search for the perfect job for you. Nexxt categorizes job search by 4 criteria: career concentration, regional emphasis, focus on diversity, and international focus. The fourth is beneficial to build a work atmosphere that is more welcoming for everyone. With these categories, this freelance website also enables you to try various freelance jobs that align with your career path.

Founded in: 1996

Headquarter: Wayne, Pennsylvania, United States

Website: https://www.nexxt.com/

8. Demand Media: Leaf Group, formerly Demand Media Inc is another big platform for searching jobs by these creative people, filmmakers, writers, photographers, producers and related category professionals. You work with this website for creating engaging and eye-catchy content for the target audience and promote your skills. Demand Media operates two art and design markets where large artists ‘ communities can market and sell their original artwork and original designs printed on a wide range of products.

Founded in: 2006

Headquarter: Santa Monica, Califonia

Website: leafgroup.com

9. College Recruiter: College Recruiter is the website for college students or fresh graduates who are searching for freelance jobs as per their talent and skills. This is a perfect platform to jumpstart your career if you are looking for a wonderful part-time work. Their clients are primarily colleges, universities, and employers who want to recruit every year hundreds and thousands of recent graduates.

Founded in: 1991

Headquarter: Greater Minneapolis-Saint Paul Area, Great Lakes, Midwestern US

Website: www.collegerecruiter.com/

10.Flexjobs: Flexjobs can be considered as one of the leading platforms for content writer. This freelancing website is basically for creative freelance writers, programmers, web designers. Flexjobs provides guarantees jobs with an option to choose millions awesome projects from. Flexjobs hire for reputable companies like CNN and NBC. It is easy to outsource every business application and allow to gain access to global talent, and handle jobs online.

Website: https://www.flexjobs.com/

Wrapping Up

So, no matter whichever professional you are, you have got so many amazing online platforms to search for jobs for you. You have a long list of websites here to choose the best job for you. These freelance websites allow you to show your past work and create a portfolio of works producing your content. These are the best freelance platforms to use, whether you want to use WordPress to create amazing web design, conduct data entry, or search for freelance writing gigs to earn extra money.

 

Which one is best to buy iPhone 7 or iPhone 6S

The Apple has finally raised the curtain from new iPhone 7. So, if you are the Apple lover then you might be looking forward to buy the all new iPhone 7 which will make you feel over the moon.

Well, there are many factors to be considered whether to buy iPhone 7 or iPhone 6S. If the Apple has launched the brand new phone then it does not mean it will be right for you to purchase. Before yo uplander over purchasing the new iPhone 7, you must check out the below listed factors which will help you which one to purchase from the two phones: iPhone 7 or the iPhone 6S.

If iPhone 6S is considered, Apple have reduced the price of this phone to a lot of extent. But you might be confused in purchasing the iPhone 7 or the iPhone 6S.

Similarities & distinctions of iPhone 7 and iPhone 6S:

If designing is considered, then iPhone 7 has been launched with very minor design changes in it. So your friends will not notice the minor changes. The iPhone 6S might have copied the design of the last 2014 released iPhone 6 bu tthis is still the highly favoured phone to buy.

For the iPhone 6S there is the slight changes in the antenna lines.

Well Apple has given slight changes in the designing of the both phones. The new phones are available with good battery life, wonderful camera, lightning processor, and pressure-sensitive home button. There are various changes Apple have made which are discussed below.

Now the discussion on the differences in the iPhone 7 and iPhone 6S:

iPhone

No headphone Jack:

Apple has removed the headphone Jack which is the major difference. Instead of keeping the Jack, the Apple company have kept the stereo speakers at the top and the bottom of the phone of the handset. The headphone jack’s spacing has been used and as per the officials of the company, Apple now provides wonderful dynamic range for the audio output.

Nevertheless, if you love the headphones then you will get the pair of Lightning EarPods along with Lightning converter which canb be connected through the charging port and are packed in the device box.

For improving the wireless audio output, Apple has made the new kind of device called as “AirPods” which runs through the use of W1 chip. It has the awesome battery life which is of 5 hours, no wires required at all.

These amazing ear phone will be highly favoured by the music lovers. Well, these airpods will not be available with the mobile and you have to spend some extra bucks to have them and enjoy music to the core.

For the quality-oriented apps in your iphone, you must opt to hire iPhone app developer who will guide you from soup-to-nuts in getting teh best app developed.

Marvelous colours and aesthetics:

If design pattern is concerned, Apple has not given much changes in the designing as such. The new iPhones are quite similar in design to old ones with just few twists in the placement of antenna bands, which the Apple have shifted to the edges side of the back.

For giving the new look to the new iPhone, you can also see the wonderful coloured periphery which surrounds the camera system of iPhone 7 Plus, it gives the astonishing look.

If you see the colour options, you will find the new iPhones in trendy and impressive colours like gold, rose gold, silver, glossy black and matte black.

The lustrous black finished iPhone is exclusively for the 128 GB and 256 GB models.

Read More:- How to Build an App Like Letgo, OLX, Quikr, Dubizzle

Classy Camera of the new iPhones:

The most promising feature in the iPhone is the awesome camera quality. Apple has worked much on the camera quality which is being loved to the core by Apple handset lovers.

If 7 plus phone is considered, the camera quality has been enhanced to the core, the little 4.7” sibling is paired with efficient 12MP camera sensor which looks astonishing. These cameras will work wonders and take stunning snaps wven in the dim light.

Apple has increased the number of LEDs to 4, from which 2 are warm and other 2 are cool. With this feature you will be able to capture photos like a pro.

In the Apple iPhone 7 Plus, there are 12MP cameras at back side, one is for the wide angle an other one for telephoto lens as such whihc can be zoomed to 2X without compromising the quality of images.

If you love to take selfies then new iPhones includes the 7MP camera instead of 5MP for stunning image quality and facetime experience.

Performance of Apple new iPhones:

iPhone 7 and iPhone 7 Plus are action packed with amazing features which includes fast running apple processor to control the smartphone, i.e, A10 fusion.

It runs on the 64 bit quad core processor, which runs quite awesome than present A9 in iPhone 6S and 6S Plus.

If compared to earlier iPhone, it is quite good. Iphone 7 have the 2GB RAM while the top range of the handsets have 3GB RAM size.

Battery life enhanced:

Yet another enhancement is the battery life which is highly favoured. If compared to earlier iPhones, the new ones have incredibl battery life. Iphone 7 will be having 2 hours more battery life than 6S.

Now you will also need the best kind of apps for your iPhone to make your life easy. You can hire dedicated developers who have prowess in developing the best kind of apps for your iPhone.

Iphone is now water resistant:

Many times people use to get tensed when their phone used to get wet in the rain. Now the Apple users don’t have to worry much when it get wet in the rains. The new iPhones are now water resistant to the core. That means the hardware can now be undamaged even it is immered in water for 30 minutes.

The home button which is pressure sensitive:

Now the best feature is that home button can be stimulated through vibration when touched, just like in the MacBook (Apple laptops) This new Taptic feature grabs the eyeballs of the Apple lovers to the core.

Closing Thoughts:

So, now you might be able to make your decision as to which phone to buy in Apple segment. The iPhone 7 or the iPhone 6S.

Apple started accepting orders from the phone buyers from September 9 and shipping the phones starts from September 16. The companu unveiled the new ios 10 feature officially on the September 13th which is attracting the Apple lovers to the core.

How to Build an App Like Letgo, OLX, Quikr, Dubizzle

What About Android Application

It has been noticed that most clients want to utilize a committed commercial center versatile application as opposed to the site. This is the motivation behind why this industry has been in the enormous request as of late. On the off chance that you are wanting to assemble your own particular online commercial center application, this guide can help you with that.

How-to-Build-an-App-Like-Letgo-OLX-Quikr

A portable store application can be utilized to offer/lease anything, including old things, administrations, rooms/property and to put online advertisements. You can develop a clone to the simplified application like Letgo, OLX, Quikr, Dubizzle, Craigslist, Shpock, Wallapop and others, or you can build a versatile application in the information of your own one of a kind online business center though.

Developing Process of Buy Sell Classified Mobile App

The developing process of buying and selling mobile application is based on smart creativity of programming code and user interface layout of an application.

Find an Idea For an App

Most importantly, you have to discover a thought for an interesting application in view of the client request. For that, you should do explore, a great deal of research. This will incorporate discovering what clients need and what issues they are looking for the current applications. You can discover numerous great application thoughts on the web.

You can likewise fabricate a versatile application to have the highlights and functionalities that other comparable applications are deficient. On the off chance that you need a correct clone of a current application, ensure that your application, in any event, has some unmistakable highlights or focuses on an alternate market.

Options for Online Classified Apps

Online arranged destinations have a noteworthy offer in the online commercial center industry. This is extraordinary compared to other alternatives to begin in this market. You have essentially two choices for online ordered applications. You can manufacture a flat grouped application like OLX that arrangements in a wide range of promotions, administrations, and things.

Or on the other hand, you can make a vertical commercial center application that depends on a particular kind of administration or takes into account a specific market. A flat grouped application is probably going to get activity from a wide market, yet its advancement will be more mind-boggling and you should focus on a greater market when contrasted with a vertically arranged application.

App-Like-Letgo-OLX-Quikr

Test Out the Ideas

When you are attempting to attain an idea through research, you are expected to get more than several ideas. So, the following step should be to refine the ideas to find out the immeasurable one/s. The conventional way of seeking out an app idea is to develop a useful prototype for it. Then, you can decide if your app is any good or has any interest in the market. There are many free and amazing paid tools that can assist you with this.

Hire an App Development Team

Once you’ve finished the commercial center application thought, the following stage is to begin the advancement of your application. On the off chance that you are an application designer, you can manufacture it yourself. On the other hand, you can enlist an application advancement group or devoted application designers to complete the undertaking.

You’ll presumably require an engineer, a creator (interface and web), a database master, and so forth. Attempt to discover and employ individuals who have past involvement in application advancement, if conceivable, in a similar industry in which you are building your application.

Read More- Latest Mobile App Development Trends 2019

Overcoming the Online Marketplace Industry Challenges

When endeavoring to assemble an online commercial center application, you’ll need to manage numerous things. Numerous current applications are as of now doing extraordinary, however, they are constrained in their working.

  • The first of these difficulties is the absence of an appropriate mean of synchronized correspondence amongst purchasers and vendors. Regardless of whether there are various routes for purchasers and vendors to get in touch with each other, there is as yet a correspondence hole as the purchaser may not generally be online when the merchant is and the other way around.
  • The online commercial centers are additionally not extremely solid. Regardless of whether you put stock in a site, you can never put stock in the purchaser/vendor and the items/administrations they are attempting to offer until the point that you really observe or utilize it.
  • The absence of data is another significant issue with huge numbers of these online sites/applications. It is possible that they don’t have adequate offices for clients to give a point by point data about their items/administrations or the merchant himself is hesitant to do as such.

It might likewise be a major test for online commercial centers to discover and actualize the correct income sources with a specific end goal to gain great cash and keep the business running.

App for The Future

Last, however not the minimum, you ought to center around building a commercial center application that objectives the present markets as well as the future situations.

With the continuous improvements in the innovation and web industry, it is inescapable that clients will require significantly more places where they can offer old stuff, administrations, abilities and different things. Spotlight on building an application that is usable later on also. Assuming nothing, it will ensure that you don’t need to close down your business entryways soon.

Closing Thought

Building another commercial center application isn’t a major ordeal. The enormous thing is finding the correct thought for your application. Take as much time as you have to do the appropriate research and make sense of a thought that has the best potential to help clients.

Latest Mobile App Development Trends 2019

Mobile applications are an imperative part of our lives as in this digital world they are helping us to fulfill our desires. With the help of mobile applications our lives have become easier and simpler and through it we can have the doorstep service.

Mobile-app-developmentjpg

Nowadays mobile applications are not only the applications, in fact they have become the source of income for the entrepreneurs and for businesses it is essential to mark the online presence as now people prefer to shop online or first they use review the app. Each day a new feature is introduced as well as as it is essential to have a eye on the latest mobile app development trends for the perfect application which fits according to the needs of the market.

Each year a new technology is getting introduced in the market and this sector is getting wide.

In this blog, we brought the Latest Mobile app development trends 2019 which are going to rule in the tech industry. If you are also developing a app or you are an android or iphone app development company, so you should know about it as it is a perfect guide by the experts.

According to the Statista report by 2020, mobile applications will be expected to develop more than 189 billion US dollars in revenues through in-application advertising and App Store.

According to a notable research, in 2010 the graph rate is assumed to reach about 2.5 billion. The number is getting multiplying twice with 2.1 million Android apps and 2 million iOS based apps in the third quarter of 2018.

Day by day mobile app development is enhancing and turning into advanced platform. Each year a new mobile app development feature is introduced by the experts which makes the application more reliable and easy to use. Tech experts is surprising us with advanced impressive and innovative technologies and the list seems endless to grow. The mobile app development for android, iPhone, and windows has become the perfect blend of technologies.

List Of Latest Mobile App Development Trends 2019 by Experts.

In the below article, there are some technologies which tech developers and mobile development company should know as now developing a mobile application is far different from the earlier days, and it need a lot of upgradation. Have a look on the below listed points.

1) IoT:

The Internet Of Things is a most essential technology that a mobile application should have. This mobile app technology is in its way to rule all over the world in the mobile sector and it is ruling the all the industries including healthcare, e-commerce, construction, and transportation, etc. Hence, it enhance the ecosystem and make the things easier and faster. The best advantage will be seen in the educational sector and surely it will be result as a boon as it will help to connect the teachers, students and parents on the one platform.

Mobile App Development1

It would be not wrong to say, that it will result the application into the smart app. Even the business across the world has bring the power of IOT for their business growth.

2) 5G technology:

5G has knock the doors and now in a very short period of time, it is going to replace the 4G networks. In 2019 we will see that 5G network will find its way to our smartphones and 5G will give the five times double speed from the usual speed. It will result as faster working process. ALong with this it will improvise the user experience. Let it make it more clear, the applications which takes hours to download after this technology the application will be downloaded in the seconds. 5G will improve in every aspect in functionality, working process etc. Speed constraints will stop being an issue with 5G wireless.It will be the boon for the 3D games. Windows app development company should focus highly on the 5G wireless technology.

3) Augmented & Virtual Reality:

The AR and VR technologies are going to be in trend for years and years, Virtual reality can be assumed that it is still far but AR is the most essential technology to be integrated in the mobile app development. This technology is not avoidable. Basically AR and VR technologies brings the real life experiences to you. It is not only waving its magic to the gaming industry even it has introduced to the social media platforms and let’s take it as example from our daily lives instagram and snapchat the amazing AR filters in it are ruling our mind and hearts. Virtual app development company should integrate this technology smartly in the applications.

4) Chatbots:

Chatbot has become the imperative part for the mobile application development process. It is essential to integrate this technology in the mobile applications. It allows to response quickly to the customers. It is counted among the list of mobile app development trends. Along with this, it can significantly improve the functionality of the mobile application. Chatbots are the virtual assistant and reduce human efforts and work as a human only. Chatbots can be integrated without any coding.

5) Mobile Wallets and Payment Gateways:

As the world has changed into digital and everything has came on the digital platform, so don’t you think that digital wallets will also turn as a mobile application development trends. Yes, Mobile wallets have become the trend in of the digital world. In the cashless world there are different payment gateways which are introduced in the the mobile application development basically now users can pay the amount from the app only via different sources.

Mobile App Development2

They are enabled to use paytm, paypal etc platforms to pay their funds and hybrid app development company should focus to integrate this technology smartly as they develop the app for the both platforms and transferring the fund is the sensitive process. In this case, the mobile app development should be in a proper way.

Learn More- The 10 Best News Aggregators of 2019

6) Cloud Integration:

Don’t you think this is a most essential feature for the mobile app and how can we avoid it. The data is unlimited and storage in mobile devices is less to store in these circumstances cloud integration has to turn as a mobile app development trend. Businessmen can save their data to the cloud storage. It has a wide storage, and have a capacity to store the data. It has solved the obstacle of data storage.

7) Android Instant Applications (On Demand Apps):

The android app development company is focus on these apps only as they are fundamentally same as the websites. The easy access is the key factor to attract the users towards it. In this android applications the user can use this apps from anywhere and anytime even without installing it and giving the personal details. Windows app developer should focus on this mobile app.

8) Blockchain Technology:

In a very short period of time, blockchain technology has become the most crucial part of the tech industry. It is a most popular technology, nowadays users look for the best blockchain development company to integrate this technology as it reduce the third party interference and keeps the data record to it. It offers a highly secure environment to the finance dealers.

9) Beacons:

Basically beacons is refer to a small bluetooth transmission. It is designed to attract the attention of the specific location. It act according to the frequencies and known as the optical telegraphy. It help guide navigators to reach to their destinations.The navigation beacons include radar reflectors, radio beacons, sonic and visual signals and via the frequency it enabled to connect with the frequencies and act as it. It is beneficial for the heighted place, hills, mountains etc. It has become the need of the mobile app development.

10) Artificial Intelligence:

Mobile App Development3

It is also known as a machine intelligence, hence AI is reduced human efforts and it is the mixture of the smart machines and technologies and work as a human. It aim is to create a smart machine and to enhance it. This technology is the essential part of the tech industry. It is develop how human brain think, act and solve the problems. This technology can handle everything and it act as a human only.

Conclusion:

In this article, we have mentioned all the technologies which are essential for 2019 and these are known as a most trending mobile app development technologies of the year. Every mobile app development company should include these technologies in the apps to make the app suitable and according to the market. These technologies has become the need of the mobile app industry as now applications has turned into business apps. Native app developer is the demand of the industry and they should be advanced and accurate to fulfill all the needs of the app market. So, the tech developer should upgrade them and we are sure the technologies are not going to bound here.

The 10 Best News Aggregators of 2019

News aggregators are apps that collects content from various sources and presents them in one location for easy viewing. Millions of people use them on a daily basis to catch up on what’s happening in the world, and their popularity has caused an influx of apps all vying for your attention. But, which ones are worth your time? Here are ten of the best news aggregator apps you should check out.

Aggregators

01. Pocket: Best for Saving Your Favorite News Articles

Pocket is a great way to bookmark and manage a list of internet articles you want to read later, but did you know it’s also a good place to find stories as well? All you have to do is select the Recommended or Explore links to find a variety of trending articles on the Pocket network.

Recommendations are partly based on previous articles you’ve saved, so there’s a good chance you’ll find something matching your interests. Pocket is available for mobile and web browsers and is integrated into over 500 applications, which makes it simple to save and share your favorite stories.

02.Flipboard: Prettiest News Aggregator

Flipboard is a popular news aggregator known for its lovely magazine-style layout. Available via web browsers or on iOS and Android, it takes content from news sources and social media, presents it as a personalized digital magazine, and lets users “flip” through it; users can select a variety of interesting topics.

Flipboard claims to offer a “curated experience with a plurality of voices,” meaning odds are good you’re going to find something worth reading every time you open the app.

03.Google News: Best News Aggregator for In-Depth Reporting

Google Reader might be gone, but the technology behemoth still has a popular news aggregator in the form of Google News. Like other apps on this list, it pulls thousands of articles from credible online news organizations, blogs, and magazines, and presents it in a polished format.

Google News gives users the option to set up a personal briefing that updates throughout the day with relevant stories, or users can choose to get full coverage about a topic, including different perspectives, a timeline of key events, and more. Additionally, Google makes it easy to subscribe to newspapers and magazines with a single tap, so you can support the publications you love.

04.Fark: Best News Aggregator With a Sense of Humor

Fark is a good place to find news of a more peculiar variety. Created by Drew Curtis in 1999, community members submit potential news stories to the website on a daily basis and the Fark team chooses around 100 to display on the homepage. Articles are categorized with tags like “Awkward,” “Creepy,” “Ironic,” or “Florida.”

Fark is further broken up over several tabs for Entertainment, Sports, Politics, and more. There’s also a mobile app called Hey! On Fark.com for iOS. Unfortunately, Android users will have to stick with the mobile version of the website for now.

05. Apple News: Best Beginning Aggregator for Apple Fans

Apple News comes preloaded on every iOS device, so it’s a good place to start if you’re a iPhone or iPad owner looking to catch up on the day’s news. The app features a clean format with beautiful photography, and articles are optimized for iPhone, iPad, and Mac, so readers are guaranteed a good reading experience on any device.

Apple News offers a big selection of news organizations and indie publications, and Apple promises it will get better at understanding a user’s interests the more they use it. A daily, curated digest and the ability to save articles for offline viewing round out its list of features.

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06. AP News: Best News Aggregator for No-Nonsense Reporting

While a variety of news outlets have their own mobile apps, AP News is the place to go if, like Sgt. Joe Friday, you’re just looking for the facts. The Associated Press is an independent, nonprofit news cooperative providing content to other outlets; it’s won 52 Pulitzer Prizes since the award was established in 1917.

Although the app isn’t as fancy as some of the others on this list, it’s clean, readable, and full of beautiful photo galleries from the AP’s award-winning photojournalists.

07. Reddit: Social News Aggregator With an Active Community

Yes, Reddit has a reputation for housing some terrible internet content, but there’s good there as well. If you’re looking for a blend of interesting news, memes, and community chat, it’s worth checking out.

You can tailor your news feed by subscribing to various subreddits or contribute your own photos, memes, and stories. Reddit has a pretty engaged community, meaning there’s always something worth reading and/or discussing. Plus, the official app offers some new features like community group chat, a night mode, and more.

08. SmartNews: Best Aggregator for a Balanced Perspective
SmartNews claims to analyze millions of articles every day to deliver the top trending news stories from around the world. It favors discovery over personalization, offering a “both sides” perspective to the latest trending topics.

Users can then choose “channels” — articles grouped by publications or by themes like Politics, Science, or Entertainment — and how often they receive headlines as notifications. The app’s interface is simple, yet colorful and its SmartView mode promises to tune out distractions and improve readability, a good feature for people with slower connections. 

09. Inoreader: Best Aggregator for Foreign Language Articles


Inoreader is an RSS reader with a vibrant community of content curators, a Discovery mode, user-generated subscription bundles, and more. It offers a free plan where people can subscribe to unlimited news feeds and folders and read them on any device. There’s also day and night reading modes, free search and archiving of all your subs, and the ability to save articles to third-party tools like Dropbox or Evernote. The upgraded Pro plan is paid for and includes push notifications, offline mode, article translation, and more.


10.
Feedly: Best News Aggregator With Cloud Sync


Feedly rose in popularity following the demise of Google Reader (R.I.P.). It’s available for browsers, iOS, and Android and it lets you subscribe to content feeds from websites covering a wide range of topics from sports to politics to entertainment. It has multiple layout options, tagging, keyboard shortcuts, and more.

A new mute filters feature lets you fine-tune your feeds by hiding unwanted topics or keywords. Best of all, its cloud-syncing feature lets you save and read articles across devices or share them on social media, so you’ll never be Without something to read whether you’re at home or on-the-go. 

OMG! Gmail Turns 15-My tryst with the intrusive behemoth

There was Yahoo, there was Hotmail and somewhere along the way in 2004 came Gmail. It used to be by invite and I don’t quite remember who sent me one. But I started using Gmail in July 2004 (most Indians it seems missed Q1 invites or it took time getting to us ‘Bangalored’ folks) — and initially the lure was the 1 GB storage and to get my name as is as the email id and not have to add digits, invert it, et al. And I managed to get the handle I wanted (and I must thank my parents for choosing my name — all the mail accounts I’ve ever had have been @prasadsanyal).

gmail

I had a Hotmail account and one from Yahoo but little-by-little, Gmail displaced these incumbents. Little wonder that if Luddites like me could be easily won over, Gmail today has over 1.5 billion monthly active users — that’s one in five of the world’s total population.

Over the years, the mail client has become by default login for various other apps and products and, I have inadvertently contributed to letting Google in on all aspects of my life. A small example of that would be how my android phone wakes me up with a reminder when I have a flight via the Google calendar, wants to know if I want to book a cab to the airport and Google Maps tell me the best route — Google seems to track my every move. Intrusive? Definitely but when I was slowly giving up my privacy to be targeted specifically for ads, and AI was influencing my behaviour, I never thought that with a simple mail account, things would come to such a pass.

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As the machine learnt how to read me better, I learnt what not to tell it — but somehow, it seems almost all is lost and in the dozen years that I was carefree with my information, the algorithm improved manifold. Sometimes I feel Google knows me better than my self and is able to predict my behaviour better than my long-suffering wife of 13 years. (Perhaps, I shall give Rashi my Google password, seeing that AI tracks me better than HI aka Human Intelligence — that way she’ll at least know what I’m upto! )

From the time Gmail was launched, Google has built the Chrome browser, which was launched by Sundar Pichai and the Android phones (9 in 10 smartphones worldwide are powered by Android and Chrome has replaced Microsoft’s Internet Explorer as the world’s most preferred browser) — and Google has become a verb in the English language. What do you do when you want to know something? You Google it…

I was encouraged, almost incentivised to use my Gmail id as a login — the process was so simple and intuitive that I saw no reason not to. That was then. Now when I browse through sites, I’m mortified to make simple queries like ‘how much does this cost?’. Google will bombard you with suggestions to buy a product even if you so much as linger on an ad for a bit longer than usual.

Then there is YouTube, almost a default setting for videos — mostly free — and in this not paying for services, (for storage Gmail now offers 15GB free storage with each account) that bit-by-bit we have surrendered our privacy and freedom to this intrusive behemoth. So don’t bother about government surveillance or ‘the big brother in the sky’ — Google trumps all and we have given out this information on a platter just to get free mail, music and some such.

Theme of International Day of Peace 2019

Peace Day or International Day of Peace is celebrated annually on 21st September around the world and also known as World Peace Day. Peace Day is celebrated to encourage people among the countries also a day of ceasefire. International Day of Peace was declared by the UN General Assembly as this day is dedicated to ideals of peace both within and among all the nations and people.

International Day

International Day of Peace 2019 theme

Every year United Nations decided the theme for International Day of Peace to promote peace among the people of all nations. Last year the theme of 2018 peace day was “The Right To Peace” and this year the theme of International Day of Peace is ” Climate Action for Peace“.

This theme was decided under the Sustainable Development Goal 13 “Climate Action” which is an immediate call for the greenhouse emissions and to improve education on Climate Change. The Sustainable Goals covers a broad range of issues including poverty, health, education, climate change, hunger, gender equality, water, sanitation, environment, and social justice

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This year theme draws attention to the issues and importance of climate change which is a new way to promote peace among the people throughout the world. Climate Change is a major threat to peace and security which can cause Natural disasters three times as the conflicts between many people.

According to climate change, water crises can become a clear threat to peace and as per the current situation of water crises in the world, it can create war-like situations among the countries.

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Peace can be only achieved by taking strict actions, speaking to young people in New Zealand the UN Secretary-General António Guterres  said that “Nature does not negotiate” the Government should take four key measures like tax pollution, the subsidizing of fossil fuel should be stopped, building of new coal plants should be stopped by 2020, should focus on making green economy, not grey.

On 15 May 2019, the Secretary-General António Guterres said, that “It is possible to achieve our goals, but we need decisions, political will, and transformational policies to allow us to still live in peace with our own climate.”

History

In 1981, International Day of Peace was established by the United Nations and after two decades later in 2001, the General Assembly voted the day as a period of Non-Violence and Cease-fire. After that in 2002, the U.N. declared it is a permanent holiday.

What youth can do for Peace Day

This year International Day of peace for Student Observance will inspire our youth to step out for a challenge of climate change, half of the youth around the world are taking action on climate change in their homes, schools, and communities.

The Student Observance will take place on 20th September 2019 at United Nations Headquarters, which will help in providing a platform for young people who made projects undertaken to fight for climate change while promoting peace.

10 Fascinating Facts About Surgery

Even if most surgical techniques of today are rather recent developments, people have been cutting each other up in the hopes of fixing various diseases for a long time now. Surgery has a long history and shows up in historical records from various regions of the world. However, early humans did it more to see what was inside the body than because they knew how to fix certain diseases.

Surgery

On the other hand, modern surgery is a marvel of medical science. We now use it to do things like organ transplants and plastic surgery that we didn’t even know was possible until very recently. That doesn’t mean that we have it all figured out, though, as the field of surgery still has many unresolved mysteries and interesting facts that most people don’t know about.

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10. A Surprisingly High Number Of Patients Wake Up During Surgery

If you ever talk to a surgeon about undergoing a surgical procedure, he’ll go to great lengths to assure you that you won’t feel a thing. While that’s largely true as general anesthesia should take care of that, it hasn’t worked as intended quite a few times.

According to one study, about 1 in 1,000 patients wake up during surgery in the United States every year. Although most of those cases occur at the beginning or end of the operation, it happens quite a bit in the middle, too. Around half of all patients who wake up during surgery also end up developing PTSD and depression, which is quite understandable as it sounds like a horrific experience.

It’s made worse by the paralytics administered with anesthesia before the surgery as they render the patients unable to alert the surgeons. Pain may not be involved in all cases, though the mere act of seeing someone cutting you up and doing things inside your body is enough to mess with the brain for a long time.

9. Anesthesia Was Initially Unpopular (And Outright Banned In Some Places)

It’s difficult to imagine, but surgeries were done without any type of anesthesia for the overwhelming majority of human history. Things like medicinal plants and alcohol were used, though a drink can hardly numb the pain of, say, someone cutting up your leg with an ax.

In light of that, you’d think that doctors would have jumped at the idea of anesthesia when it was first developed. As is the case with most of history, however, common sense isn’t how we used to do things back then.

Initially, anesthesia was an unpopular procedure in places around the world, especially in the US. While some surgeons cited the ridiculous “it doesn’t feel like surgery unless the patient can feel everything” excuse, others went with the old “satanic influence” card.

There were some legit reasons, too, like the possibility of death due to overdose. Most surgeons back then didn’t know the proper amount of anesthesia to be administered.

8. The ‘Two-Hearts’ Surgery

We’ve grown up to believe that the maximum number of hearts that can possibly reside in a human body is one. It makes sense, too, as the heart is one of the most important organs of the body and is perfectly capable of performing its functions alone.

That’s not the case in some acute cases of late-stage heart failure in which the heart requires additional support to function. Medical researchers could have come up with an external setup—like dialysis—to help with it, but they figured that just sticking another heart in there would do the trick, too.

Known as a heterotopic heart transplant, it involves taking a heart from a donor and putting it alongside the existing heart for assistance. While the procedure isn’t as widely used in the US anymore (as we have better techniques to do the same thing now), it’s still a possible surgical option if it’s needed.

7. Placebo Surgery

The placebo effect is one of the most fascinating aspects of medical science. While we currently have no idea about the extent to which it works, we know that it can be effective.

It has been successful even when the patients are told that they’re getting a placebo. Research suggests that the placebo is as effective with surgical procedures as with day-to-day ailments.

Many studies have found that just telling patients that they went through a surgery, even if they didn’t, is enough to have the same effects as those experienced by patients who actually underwent an operation. It only works with certain surgical procedures like a knee arthroscopy as you’d still have to undergo a real surgery for more complicated conditions (like heart failure).

6. Human Head Transplant

When we talk about transplants, certain organs simply don’t seem to qualify for the procedure. The head is one of them as the ability to put someone’s head on another person is straight out of science fiction.

While it’d be dishonest to say that we already have that tech, it’s surprisingly close to being developed. Some researchers have already made huge strides in making it happen in recent times, and it may not be long before we’re finally able to do it.

The basic idea is exactly what you’d imagine: Just cut off ahead from a donor, place it on someone’s torso, and hope it sticks. We were quite close to making it happen, but the first volunteer for the procedure recently backed out, which was probably a sensible decision on his part.

5. Unborn Surgery

Being born seems to be one of the most basic qualifications for being able to get surgery. Apart from the incredible difficulty of operating on an unborn baby, it sounds like something straight out of the future. That is, of course, if you don’t include the recent surgery done on a baby in the womb in the UK.

The baby was suffering from spina bifida—a birth condition wherein the spine and spinal cord aren’t properly formed in the womb. The mother had the option to either wait for the baby to be born and then fix the problem, get the doctors to operate in utero, or just terminate the baby (which most of us won’t go for).

She opted for the in utero surgery as the condition is much more difficult to cure once the baby is fully developed and born. In a four-hour operation, the surgeons sliced up the mother’s womb, operated on the baby’s spine, and put it all back together like nothing happened. The baby was born in April 2019 with no signs of the condition.

4. Surgeons Leaving Instruments Inside Is Ridiculously Common

Even if it’s a staple of surgeon jokes around the world, you’d think that accidentally forgetting surgical instruments inside a patient during an operation isn’t that common. After all, surgeons are some of the most skilled and qualified medical professionals around.

If someone can open up a body, fix whatever’s wrong inside, and close it back up as a part of their daily job, it’s safe to assume that they have the presence of mind to not leave a pair of tweezers inside. Surprisingly, that’s not the case at all.

Across the globe, surgeons frequently leave a wide variety of objects inside their patients, including forceps, surgical masks, and needles. There are many reasons, such as more than one surgeon being involved in the operation or simply not keeping track of their surgical inventory.

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3. Using A Tooth As An Eye

As of now, we don’t have a surgical procedure to transplant the human eye. While some parts of the eye can be transplanted, replacing the whole eye with that of another person is still some way into the future.

What we do have, however, is a way to put a tooth into the eye to restore vision. It may sound like something straight out of a bad sci-fi horror movie, but the procedure—known as osteo-odontoid-keratoprosthesis—has been around for a long time.

It involves making a hole in the tooth, placing a prosthetic lens in it, and putting the tooth into the eye to serve as the cornea. It does look a bit horrifying, though it has helped to restore vision for quite a few patients with damaged corneas. As the tooth is from the same body, there’s a minimal chance of the body rejecting the tissue and causing problems later.[8]

2. Growing A Jaw On The Back

When a 56-year-old German man lost a part of his lower jaw to cancer, he had two options: live the rest of his life without a jaw or go for an experimental technique developed by researchers at the University of Kiel. He went with the latter and became the first patient in history who had a jaw grown on his back.

They used the model of his head to create a titanium cage resembling his jaw, filled it with bone mineral blocks, and coated it with bone marrow. They also filled the cage with a protein to accelerate bone growth and implanted it under his right shoulder blade.

To everyone’s surprise, the jaw developed like a normal jaw for a few weeks. Then it was removed and grafted onto his face. He quickly redeveloped the ability to chew, though he still didn’t have any teeth. It was some time before it could be used as a normal jaw.

1. We Still Don’t Know Why Anesthesia Works

Anesthesia has been one of the most important medical discoveries in our history. Before it, patients had to be completely conscious and in excruciating pain during surgery, which wasn’t fun for anyone involved. Due to anesthesia, operations are now much quieter affairs.

Even so, we still have little idea about why anesthesia works. The mechanisms of the brain that make us enter a deep state of unconsciousness under anesthesia—no matter what happens—are a complete mystery to scientists. In essence, a patient under general anesthesia could be understood to be in an artificial coma, though that’s about all we know about it.

That’s why anesthesiology is a whole science on its own and anesthesiologists are some of the most skilled and in-demand medical professionals around. Moreover, it ties into the larger mystery of consciousness itself.

Understanding what anesthesia does to the brain would take us one step closer to answering one of the biggest questions of life: “What part of the brain makes us conscious and self-aware?”

10 Ways The World Could End Today

The Earth has been around for around 4.5 billion years,[1] and it is tempting to hope that it (and us, for that matter) will still be here in few a billion more. Of course, our world faces a number of ongoing problems that, at the very least, call the planet’s long-term habitability into question.

However, it’s entirely possible that we won’t need to worry about those issues because there are several ways in which the world as we know it could be wiped out. Today. And only some of them would be down to the stupidity of mankind, which is comforting if you think about it.

10Gamma-Ray Burst

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A gamma-ray burst (GRB) is an explosion of high-frequency electromagnetic radiation. A burst can give off a stream of energy greater than the Sun could produce in ten billion years, and it would happen in seconds. Scientists believe that GRBs may be caused by exploding stars or by collisions of neutron stars.

It is estimated that if the Earth were to be hit by a gamma-ray burst that occurred within the Milky Way, it would chemically damage our atmosphere, depleting the ozone layer, which protects us from ultraviolet rays, thus triggering a mass extinction. Some scientists also believe that gamma-ray bursts may give off cosmic rays, which would cause radiation sickness in anyone who managed to survive the initial impact of the GRB.

Most bursts last for less than two seconds, but a long GRB (one which lasts longer than two seconds) hitting us could cause a mass extinction on Earth. Luckily, they normally occur in far-off dwarf galaxies, but they have happened nearer to home, and scientists have speculated that gamma-ray bursts may have been responsible for past mass extinctions on Earth.

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9Giant Solar Flare

In July 2012, a solar superstorm almost ended the world as we know it. If you are wondering how you could have missed the wall-to-wall coverage of this near-miss, don’t bother. There wasn’t any.

When the giant solar flare, or coronal mass ejection, tore into the Earth’s orbit, our planet had just moved out of its path, so NASA thought it was best not to mention it. Had it hit a week earlier, it would have fried our electrical devices. The flare would have caused devastation estimated to be 20 times greater than Hurricane Katrina, and the resulting damage would have taken at least 20 years to repair.

As bad as that sounds, you may think that this does not amount to mass extinction. However, it has been theorized that an even bigger solar flare was the cause of an extinction event around 12,000 years ago when evidence suggests that the Earth was exposed to intense UV rays for a prolonged period due to damage to the ozone layer.

A study in 2017 determined that there is a “solid chance” that a giant solar flarecould hit the Earth within the next century, causing an estimated $10 trillion in damage. They found that extreme super-flares occur on the Sun once every 20 million years or so, and it seems we are due. They put the odds of an extinction event-type impact as one in 1,000, which isn’t that bad, but the odds of an impact which wipes out our electrical and technological capability are more like one in eight.

8Flood Basalt Events


At the end of the Triassic period, half of all living species became extinct, leaving the Earth free for the dinosaurs. It was caused by a volcanic eruption so big that it could have covered the US with 91 meters (300 ft) of lava, which is pretty big.

This eruption, known as a flood basalt event, caused an increase in global temperature, a doubling of the amount of carbon dioxide in the atmosphere, and the acidification of the oceans. Some scientists believe that almost all mass extinction events in the history of the Earth have been connected to these flood basalt eruptions, rather than more popular culprits like asteroids.

The first consequence of a flood basalt event is actually cold. The fire fountains caused by the eruptions spew sulfur dioxide into the stratosphere, which reflects sunlight away from the Earth. This would be followed by acid rain and then respiratory illnesses. Livestock would die, and aircraft would be grounded. As time passes, however, the planet would actually get warmer due to all the carbon dioxide and water vapor introduced into the atmosphere by the event.

Work is still ongoing to try to determine how often these flood basalt events are likely to occur and, more importantly, when the next one is due.

7A Mishap With The Large Hadron Collider

The Large Hadron Collider (LHC) is a 27-kilometer underground ring in which particles are smashed together at incredibly high speeds. Using the force of 9,300 magnets, the scientist can cause 600 million collisions per second in a kind of subatomic demolition derby.

Conditions at CERN’s main site, where the collider is kept, are strictly controlled. But accidents can happen with particle accelerators. In 1978, a Russian scientist put his head in a particle accelerator and was hit by a burst of protons traveling at nearly light speed. He was hit by 76 billion electron volts but lived to tell the tale, though doctors did not expect him to survive.

In 2009, the LHC was shut down when it began to overheat. The cause was found to be a piece of bread, dropped on an electrical substation above the collider. Most people thought that it was dropped there by a stray bird, but a pair of respected physicists, convinced that the research into the Higgs boson particle was detrimental to the fate of the universe, came up with a theory that involved a time-traveling saboteur bird sent from the future to stop the experiments.

With bread.

As bizarre as they sound, they are not alone in their concerns about the collider. Astronomer Professor Lord Martin Rees has warned that a mistake at CERN could cause a “doomsday scenario” in which the entire planet is sucked into a black hole which would compress the Earth into a hyperdense mass spanning just 100 meters (330 ft) across. And if that isn’t bad enough, there is also a theory that a mistake in the collider could cause an accident that would “engulf space itself.”

6Alien Invasion

The search for intelligent life in space has been a consuming one for many scientists and astronomers. However, not everyone thinks that looking for aliens a good idea. Professor Stephen Hawking believed that instead of trying to make contact with alien life-forms, we would be better served by trying to hide from them.

He postulated that given the number of planets we know exist, there must be other life-forms in the universe, least some of which will be of superior intelligence, with greater technological and military capability. And, Hawking suggested, if they did come, it would be more in the manner of a conqueror than an ambassador.

If aliens do make contact with Earth, it’s possible that the Chinese will be the first to hear them, since they have invested heavily in alien contact technology, building the world’s largest radio dish for this purpose. But if aliens do make contact, there is no single protocol for how Earth will collectively respond, nor is there anything to stop enthusiastic amateurs from projecting any message they like to listening aliens.

And what if they don’t call first but just show up? Given the amount of resources required and the length of time it would take, it is unlikely that it would be for a casual visit. As Stephen Hawking said, “If aliens visit us, the outcome would be much as when Columbus landed in America, which didn’t turn out well for the Native Americans.”

5Swallowed By A Black Hole

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Even without the help of CERN, there is a possibility that Earth could be swallowed by a black hole. A black hole is defined as a concentration of mass great enough that the force of gravity prevents anything from escaping it, even light.

There are many things that can cause a black hole. One of the stars of the Eta Carinae stellar system, for example, is close to going supernova. It is even possible that it has already exploded, but the image of the event still light-years away.

When the star does go, its core could collapse in on itself, forming a neutron star or a black hole. Some have claimed that if a black hole does form, it will swallow the remains of Eta Carinae and could take the Earth with it. Scientists have said that this is extremely unlikely, however.

All the same, it is possible, albeit with long odds, that a rogue black hole could happen upon our solar system. If that were to happen, the Sun and all the planets would likely be ripped apart.

4Nuclear War

The threat of nuclear war has hung over the Earth since the mid-20th century. Though the threat has waxed and waned over the decades, the potential for nuclear war appears to have become more prominent in the last few years.

Should a nuclear war break out today, it has been predicted that the fallout would be “similar to the extinction of the dinosaurs.” Soot created from the destruction would alter the climate, cooling the Earth’s surface and heating the upper atmosphere, with “potentially devastating effects.”

Nuclear war was narrowly averted during the Cuban Missile Crisis by a combination of public tough talking and private diplomacy on both sides. Khrushchev wrote to Kennedy, “If there is no intention to tighten that knot and thereby to doom the world to the catastrophe of thermonuclear war, then let us not only relax the forces pulling on the ends of the rope, let us take measures to untie that knot.”

Today, the threat of nuclear war is again said to be “dangerously close,” and the fate of the world may lie in the diplomatic skills of various nations and their leaders.

3Supervolcano Eruption

Campi Flegrei is a supervolcano nestled in the Bay of Naples. The volcano, whose name means “burning fields,” consists of a vast network of underground chambers, filled with magma, largely under the sea. Campi Flegrei has not erupted for over 500 years (and that was a tiny one), but it seems that this may soon change. In December 2016, volcanologists warned that the volcano could be reaching “critical degassing pressure,” which could lead to an eruption.

That would be bad. Around 39,000 years ago, the volcano once “punched” 300 cubic kilometers (72 mi<sup<3< sup=””>) of molten rock 70 kilometers (43 mi) up into the air and emitted 450,000 tons of sulfur dioxide. The ash landed as far as 2,000 kilometers (1,200 mi) away. The eruption had devastating, centuries-long consequences for Europe. The sulfur dioxide released by the eruption precipitated a volcanic winter, covering the land in ash 20 centimeters (8 in) deep and blocking heat from the Sun.[9]</sup<3<>

Nor is Campi Flegrei the only supervolcano in existence. Lake Toba in Indonesia, Yellowstone Park in the US, and the Taupo caldera in New Zealand are all the sites of supervolcanoes which have the potential to wipe out large swathes of the population and turn the land into desert, should any of them erupt. Experts are working to be able to predict when the eruptions are likely to occur. Geologists studying the Yellowstone supervolcano believe that there is an average gap of 740,000 years between eruptions, which would mean that Old Faithful should be safe for at least another 100,000 years.

Lets hope all supervolcanoes are just as reliable.

2Methane Burst

Most apocalyptic scenarios involve drama, danger, and a high degree of explosions. But how about a microbe that spews methane?

It has been theorized that just such a catastrophe occurred 252 million years ago, killing 90 percent of marine creatures and 70 percent of those on land in one of the five major mass extinctions in the history of the Earth. They believe that Methanosarcina, a microbe that produces methane, grew unchecked in the oceans, causing the climate to heat up, resulting in the acidification of the seas and the extinction of life. The microbe flourished on the minerals produced by large-scale volcanic eruptions in Siberia, which increased the concentrations of nickel required for its growth.

So, how likely is it that another methane burst will wipe out life on Earth? Well, quite likely, it seems. It is believed that the Arctic is a “ticking time bomb” of methane. Methane is said to be trapped in the permafrost in the form of methane hydrate and methane clathrate. Should too much ice melt, a world-ending mass extinction event could be triggered.

1Vacuum Decay

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The universe is held in a vacuum. And our vacuum is jostled up against the vacuums of other universes. However, some of these vacuums are not true vacuums. And if the vacuum of a universe is a false vacuum, it is potentially unstable, or “metastable.”

If our universe is held in a false vacuum, then any high-energy event, such as an exploding star, might cause part of our universe to knock against the true vacuum of an adjoining universe, which would create a bubble that would expand at the speed of light and suck the entire universe in.

Not only that, but a universe that was sitting, minding its own business, in a false vacuum, can be “tunneled into” by a tiny particle that broke through the barrier separating one vacuum from another, which would also result in the false-vacuumed universe being sucked into the other.

So, do we live in a vacuum or a false vacuum? It is not certain. However, work on the measurements of the Higgs boson seem to indicate that our vacuum may be metastable. It is predicted that if we were to be sucked into a true vacuum, we would all be annihilated instantly as the bubble wall moves through our galaxy at the speed of light. There would be no survivors.

It’s not all bad news, though. The lifetime of a metastable universe is thought to be especially long, so we will probably be okay for a while. And if we are all sucked into a vacuum, it would happen so fast that we wouldn’t know about it.