Safari Live - Day 337 | National Geographic

[soft dramatic music] - Hi, I’m Michael Stevens, but who are you? Do you even know who you are? Are you your memories? - I don’t remember that. - I don’t remember that at all. - Are you the choices you make? The focus tester is actually a magician. - That…

Derek: A couple of years ago my friend Destin and I wanted to definitively answer the question: does water actually swirl the opposite direction down the drain in the other hemisphere? At the time, I was living in Sydney, Australia, and Destin was in Hunt…

Poor people think that spending money makes you poor, but that’s not a universal truth. When the average person spends money, they do get poorer; but smart and successful people have figured out ways to spend money and get richer because of it. By the end…

[Instructor] What we’re going to do in this video is get some practice estimating adding and subtracting three digit numbers. And so here it says 398 plus 251 is, and this squiggly equal sign means we just need to make an estimate. We wanna know what is…

We’re asked to prove that if a line is parallel to one side of a triangle, then it divides the other two sides proportionately. So pause this video and see if you can do that, and you might want to leverage this diagram. Alright, so let’s work through th…

All right, let’s get a little more practice taking limits of composite functions. So here, we want to figure out what is the limit as x approaches negative 1 of g of h of x. The function g we see it defined graphically here on the left, and the function h…