Safari Live - Day 368 | National Geographic

[Applause] So I’m back at the University of Sydney with Rod Cross. Hi Derek! And today we’re talking about the effects of air on projectiles. We normally neglect these effects when I’m teaching students about projectiles. I tell them, “Forget about the a…

A quality controlled expert at a drink bottling factory took a random sample of bottles from a batch and measured the amount of liquid in each bottle in the sample. The amount in the sample had a mean of 503 milliliters and a standard deviation of 5 milli…

Armed robbers can score big at the casinos, but with security being so tight, they can’t score often. But card shark Ace Face, all right, and his partner Bim have a very different approach: two-deck handheld game. Huh, yeah, that looks pretty good. Okay,…

We have already introduced ourselves to the idea of price discrimination in other videos, and in this video, we’re going to try to classify the different ways that a firm might engage in price discrimination. So first of all, just as a review of what it …

There was a man who was constantly suffering. He was too hot, then too cold. He had too much, then too little. He wanted to scream from joy, then wanted to hide in the corner from angst. The stress was making his heart grow callous, his body deteriorate, …

Hi, I’m Sal Khan, founder of the not-for-profit Khan Academy, and I have some very exciting news. The data is in from our first year of the partnership between us and the College Board around KH Academy being the official practice for the SAT. What we’re…