Mark Zuckerberg on Taking Risks and Finding Talented People

Vsauce. Today on my subway ride into work, I earned the very final star I needed in Angry Birds. But I know what you’re thinking. “Michael, I don’t care. I want things I can do online now, gosh!” DONG. Let’s begin with Leanback. That’s right, there’s a …

So Emily and I have been talking about how natural selection, Darwin’s theory of evolution, has differed from some of the ways that people have interpreted evolution over time. I was specifically interested in this group known as the social Darwinists, wh…

We’re told a monkey is swinging from a tree. On the first swing, she passes through an arc of 24 meters. With each swing, she passes through an arc one half the length of the previous swing. So what’s going on here? Let’s say this is the top of the rope …

Oh dear me. I’ll let you know! (machine whirring) Ready? Oh my goodness. (bat snaps) (laughs) (Smarter Every Day Intro music) The major league baseball home run distance record is around 575 to 580 something feet, depending on where you get your data. T…

So we are asked to order the expressions from least to greatest. This is from the exercises on Khan Academy. If we’re doing it on Khan Academy, we would drag these little tiles around from least to greatest, least on the left, greatest on the right. I can…

On July 20th, fifty years ago, Neil Armstrong and Buzz Lightyear first set foot on the moon. But before they went there, they came here. This is Sedan Crater, and it was excavated by a nuclear bomb in 1962. [bomb explodes] It’s part of the Nevada Test Sit…