Safari Live - Day 368 | National Geographic

Hey, it’s me Destin. Welcome back to Smarter Every Day! So, if you watch Smarter Every Day for any length of time, you know that it’s about whatever I’m thinking about—like in Eclipse, or how brains work, or helicopters, or management, or whatever. You di…

Uh, why don’t flames have shadows? Like, I mean, hello, it’s kind of freaky. But it has everything to do with what a hydrocarbon flame is. When you look at a candle flame, the part you can see is not a gas, and it’s not a plasma, believe it or not. The p…

While people have asked me, you know, what’s it like for you, David, when you, you know, what’s it like when you walk through one of these groves of old-growth redwoods? By far, hands down, the most spiritual, profound, conscious-altering in a positive wa…

Hey, Vsauce. Michael here. And I am now living in London. Besides popping on over to Disneyland Paris, I’ve also been looking at DONGs: Things you can Do Online Now, Guys. For instance, because I’m now in Britain, my team has changed for clickclickclick.…

So, I have a rational expression here, and what my goal is, is to simplify it. But while I simplify it, I want to make the simplified expression be algebraically equivalent. So if there are certain x values that would make this thing undefined, then I hav…

Hi, I’m Lauren from Khan Academy, and today I’m going to give you an overview of how to set up accounts for yourself and your children on Khan Academy. We’ll also go over how you can find relevant content for your kids and view their progress. This video…