Safari Live - Day 368 | National Geographic

So, a lot of the ways that we represent multivariable functions assume that you’re fluent with understanding how to represent points in three dimensions and also how to represent vectors in three dimensions. So, I thought I’d make a little video here to …

[Voiceover] In any discussion of biology or discussion of evolution, the idea of a species will come up over and over again. And we have a whole separate video on species. But the general idea, or the mainstream definition of a species, is a group of orga…

So what I have here is an expression where I’m multiplying rational expressions, and we want to do this multiplication and then reduce to the lowest term. So if you feel so inspired, I encourage you to pause this video and see if you can have a go at that…

Carbon monoxide will react with hydrogen gas to produce methanol. Let’s say that the reaction is at equilibrium, and our job is to figure out which direction the equilibrium will shift: to the left, to the right, or not at all. As we try to make changes t…

Hey, Vsauce. Michael here. And today I’ve got a brand new episode of Vsauce Leanback. You can click this annotation or the link at the top of the description to start it, and then you can just lean back and the autoplay playlist will bring the knowledge …

[Music] Now I need to make a fire before it gets dark. I’m using a traditional method called a hand drill. This relies on friction between a soft wood base and a hard straight stick. I found that sticks that are hollow inside trap heat better, and it mak…