Ex-CIA Spy: China Is Preparing & We're Not Paying Attention! Here's What Happens If They Takeover!

Imagine living a life filled with happiness and pain, love and grief, ambition and despair. A life with parents, kids, grandkids, and ultimately the death of everyone, including yourself. And then it all happens again in the same way. You make the same ch…

First-time founders can actually take more risk on the ideas that they pick because they don’t have other startup friends, or they don’t care as much. They’re just working on stuff they find interesting. I love that they have nobody to impress, basically.…

Hello and welcome to Ed Talks with Khan Academy! I’m Kristen De Cerva, the Chief Learning Officer here at Khan Academy, and I’m excited today to talk to Ned Johnson, who’s an author, speaker, and founder of PrepMatters, which is a company providing academ…

For many hundreds of years, mathematicians have been fascinated by the infinite sum which we would call a series of one plus one-half plus one-third plus one-fourth, and you just keep adding on and on and on forever. This is interesting on many layers. O…

Picture this: You wake up one morning and you feel a little bit sick. No particular symptoms, just not 100%. So you go to the doctor and she also doesn’t know what’s going on with you, so she suggests they run a battery of tests and after a week goes by, …

Okay, smart man with your smart physics degree, let’s say your state gets ravaged by tornadoes. You go to the local EMA volunteer center; you volunteer. You and some buddies go out with chainsaws and try to do the best work you can to help people. Okay, …