Mark Zuckerberg on Taking Risks and Finding Talented People

Hello teachers, I’m Sal Khan, founder of the not-for-profit Khan Academy, and I’m here to announce a nationwide back-to-school learning challenge called LearnStorm. LearnStorm is an exciting way to jumpstart your school year around learning activities. …

The voice came from an oblong metal plaque, like a dulled mirror, which formed part of the surface of the right-hand wall. The instrument, the Tila Screen, it was called, could be dimmed, but there was no way of shutting it off completely. The telescreen …

Vsauce. Michael here today with a special video. It’s a Skype conversation I had with Newt from Underbelly, where he teaches me about six actual villains from real comic books that are really, really lame. He’s joined by a bunch of ladies from Underbelly,…

GAL: Home is a place where you can find safety and shelter. Kayla knows too well what it’s like to feel unsafe. As a Black trans woman, she has grown up in a world that cast her out for simply being who she is. But she’s determined to leave her truth with…

[Music] A most precise and nuanced look into the life of the man, legend, and visionary Martin Luther. One day, when Luther is 21 years old, he experiences something which will affect him for the rest of his life. Suddenly, a thunderstorm—a wild, violent…

Well, an atom’s made of protons, neutrons, and electrons. The first two in the nucleus, the third around it. It’s mostly empty space, but it feels solid in any case. The elements are all the different types of atoms; they differ by the number of protons i…