1. Machinima

Los Angeles, California, United States About Youtuber Machinima is the most notorious purveyor and cultivator of fandom and gamer culture. This channel features current popular content such as BFFs, Super Best Friends Play, Christopher Walkenthrough, along with classics like Gamepoop, Arby'n' the Chief, Sanity Not Included, and more.
Since Sep 2007
Channel youtube.com/user/machinima/v..+ Follow
Youtube Followers- 12,100,000 . Views Count- n/a . Video Count - n/a

2. CrashCourse | Educational Videos

About Youtuber Tons of awesome courses in one awesome channel! Nicole Sweeney teaches you sociology, Carrie Anne Philbin teaches you computer science, Craig Benzine teaches film history, and Mike Rugnetta is teaching mythology! Check out the playlists for past courses in physics, philosophy, games, economics, U.S. government and politics, astronomy, anatomy & physiology, world history, biology, literature, eco.
Frequency 7 videos / month
Since Dec 2011
Channel youtube.com/user/crashcourse..+ Follow
Youtube Followers- 10,100,000 . Views Count- 1,180,343,656 . Video Count - 1,198

3. TED-Ed - Lessons Worth Sharing

About Youtuber TED-Ed's commitment to creating lessons worth sharing is an extension of TED's mission of spreading great ideas. Within TED-Ed's growing library of TED-Ed animations, you will find carefully curated educational videos, many of which represent collaborations between talented educators and animators nominated through the TED-Ed website.
Frequency 2 videos / week
Since Mar 2012
Channel youtube.com/user/TEDEducatio..+ Follow
Youtube Followers- 10,200,000 . Views Count- 1,619,094,519 . Video Count - 1,615

4. Scishow

About Youtuber SciShow explores the unexpected. SciShow discusses science news and history and concepts. With equal parts skepticism and enthusiasm, we go a little deeper...without going off the deep end. Most of the time, anyway.
Frequency 1 video / day
Since Oct 2011
Channel youtube.com/user/scishow/videos+ Follow
Youtube Followers- 5,970,000 . Views Count- 1,129,964,025 . Video Count - 2,166

5. vlogbrothers | Educational Youtubers

Indianapolis, Indiana, United States About Youtuber Raising nerdy to the power of awesome.
Frequency 2 videos / week
Since Jan 2007
Channel youtube.com/user/vlogbrother..+ Follow
Youtube Followers- 3,300,000 . Views Count- 807,519,142 . Video Count - 1,783

6. Numberphile

About Youtuber Videos about numbers - it's that simple. Numberphile is a series of numbery videos by Brady Haran - the guy behind projects like periodicvideos and sixty symbols. Project supported by MSRI.
Frequency 5 videos / month
Since Oct 2011
Channel youtube.com/user/numberphile..+ Follow
Youtube Followers- 3,130,000 . Views Count- 451,048,794 . Video Count - 549

7. Geek & Sundry

Los Angeles About Youtuber We bring you the best of indie geek culture with daily video uploads from the Internet's foremost geek voices and content creators including Felicia Day, Wil Wheaton, Adam de la Pena, Amy Berg, Bryan Singer, Canadians, NASA scientists, and much much more!
Frequency 22 videos / month
Since Jan 2012
Channel youtube.com/user/geekandsund..+ Follow
Youtube Followers- 2,070,000 . Views Count- 533,644,125 . Video Count - 1,861

8. NASA

About Youtuber NASA's mission is to pioneer the future in space exploration, scientific discovery and aeronautics research. To do that, we have worked around the world -- and off it -- for more than 50 years, searching for answers to fundamental questions about our place in the universe. We're exploring space and discovering Earth. Join us for this exciting and important journey.
Frequency 2 videos / week
Since Jun 2008
Channel youtube.com/user/NASAtelevis..+ Follow
Youtube Followers- 4,850,000 . Views Count- 252,463,841 . Video Count - 4,767

9. Geekyranjit

India About Youtuber Expert Opinion on Tech - Reviews on gadgets & android smartphones and how to effectively use them in your daily life.
Frequency 3 videos / week
Since Jan 2011
Channel youtube.com/user/geekyranjit..+ Follow
Youtube Followers- 2,840,000 . Views Count- 584,976,565 . Video Count - 2,704

10. The Domestic Geek

Toronto About Youtuber Eat well, live better. I'm dishing out delicious new videos every Monday and Thursday.
Frequency 1 video / week
Since Mar 2014
Channel youtube.com/user/thedomestic..+ Follow
Youtube Followers- 1,710,000 . Views Count- 147,069,649 . Video Count - 570