Not all computer viruses are created equal. Michael Aranda from SciShow describes 5 of the worst computer viruses of all time and how exactly they became so powerful. [9:37]

Video describing 8 traits that successful people share. [7:17] Includes a short quiz following the video and a list of additional resources to explore.

All it takes is a simple S to make most English words plural. But it hasn't always worked that way (and there are, of course, exceptions). John McWhorter looks back to the good old days when English was newly split from German -- and books, names and eggs were beek, namen and eggru! [4:26]

Anne F. Broadbridge outlines a day in the life of a Mongolian queen.

Bill Ford is a car guy- his great-grandfather was Henry Ford, and he grew up inside the massive Ford Motor Co. So when he worries about cars' impact on the environment, and about our growing global gridlock problem, it's worth a listen. His vision for the future of mobility includes "smart roads," even smarter public transport and going green like never before. [16:49]

Energy is neither created nor destroyed - and yet the global demand for it continues to increase. But where does energy come from, and where does it go? This video examines the many ways in which energy cycles through our planet, from the sun to our food chain to electricity and beyond. [4:44]

Andy Cohen details the extraordinary celestial phenomenon of a total solar eclipse, and when it will next occur. [3:47]

The energy in the universe never increases or decreases- but it does move around a lot. Energy can be potential or kinetic. George Zaidan and Charles Morton get excited about energy. [3:52]

Video lesson shares information about water harvesting structures used in India today. Anupam Mishra talks about the superiority of these structures built by the people of India's Golden Desert centuries ago compared to modern water megaprojects. [17:15]

We hear a lot about how to speak well in public, but very little about how to learn the equally important art of listening properly to others. This video describes four steps to becoming a good listener. [4:57]

Electron orbitals. Diagonal rule. Dot diagrams. The periodic table. There's so much to know about the tiniest building blocks of life- atoms. [4:41]

As web companies strive to tailor their services to our personal tastes, there's a dangerous unintended consequence: We get trapped in a "filter bubble" and don't get exposed to information that could challenge or broaden our worldview. Eli Pariser argues powerfully that this will ultimately prove to be bad for us and bad for democracy. [9:05]

Emma Bryce explains how one-word sentences illustrate some lexical ambiguities that can turn ordinary words and sentences into mazes that mess with our minds. [3:28]

You and nine other individuals have been captured by super-intelligent alien overlords. The aliens think humans look quite tasty, but their civilization forbids eating highly logical and cooperative beings. Unfortunately, they're not sure whether you qualify, so they decide to give you all a test. Can you solve this hat riddle? Alex Gendler shows how. [4:35]

You and your brother have discovered another realm and set off exploring the new wonderful world. Along the way, you see a troll catching creatures in an enormous net. The troll agrees to release the creatures if you can come up with a statement that is both truth and false. Can you come up with the correct sentence and force the troll to release them? L.11-12.5a Figures of Speech

Clay Shirky shows how social media services such as Facebook, Twitter and TXTs help citizens in repressive regimes to report on real news, thus changing the nature of politics. [15:49]

As the Earth's surface temperature gradually rises, it has become vital for us to predict the rate of this increase with as much precision as possible. In order to do that, scientists need to understand more about aerosols and clouds. Jasper Kirkby details an experiment at CERN that aims to do just that. [6:40]

It isn't easy holding complex sentences together (just ask a conjunction or a subordinate), but the clever little comma can help lighten the load. But how to tell when help is really needed? Terisa Folaron offers some tricks of the comma trade. [5:00]

This video explains how DNA works and what it does, relating it to an instruction manual for building an organism. [4:29] Followed by a short quiz and a list of additional resources to explore.