Safari Live - Day 42 | National Geographic

What we want to do in this video is get some practice estimating multi-digit division problems. So here we’re asked to estimate 794 divided by 18. Now, if you wanted to get the exact answer, you’d probably have to do—in fact, you would have to do—some lon…

[Applause] So, in the spinning disc trick we saw that an asymmetrically weighted disc, when spun, actually flips so that the lighter side goes towards the bottom. Now, this is a variation on something called the tippy top, a little spinning toy that spins…

Hi everyone! Welcome to our homeroom live stream. We have a very exciting conversation coming up. Sal here from Khan Academy. In case you all don’t know me, we’re gonna have a conversation with Chancellor Robert Jones from the University of Illinois at Ur…

Hey, Vsauce. Michael here. Let’s take a moment to recognize the heroes who count. Canadian Mike Smith holds the world record for the largest number counted to in one breath - 125. But the world record for the largest number ever counted to belongs to Jer…

Thank you for coming. I hope to do not much talking at all, and I’m going to just ask you because it’s sort of a strange thing you have this. I want you to sort of go through the chronology of the early days, yeah. Um, and talk about you really did have a…

Hey, good morning! Thank you. We have a lot to do today, so I’d like to get my part out of the way as quickly as possible. Good morning again, and welcome to our second day of Startup Investor School. My role is a little bit more, but not much more than …