Safari Live - Day 337 | National Geographic

Across the Whit Sundays, hundreds of baited cameras are deployed and listening stations fixed as scientists race to understand why these previously safe waters have turned deadly. As the footage comes in, one big clue emerges: the poor visibility. What w…

Some questions have been keeping humanity busy since the dawn of time. Moreover, complete civilizations and religions have been built around these questions. No matter how much we have debated, researched, and observed, there just doesn’t seem to be a sat…

All right, I think we’re ready to start. Anyone who wants to—anyone else wants to join us for the talk with Scott Cook, founder of Intuit? So I’ll just start. You know, for everyone here at Khan Academy who doesn’t know both Scott and Cigna Cook are, you …

Hello everyone and welcome! This is the seventh edition already of the Einzelgänger Q&A. A while ago, I got a question from a follower named Sofia, below my video about Stoicism and not giving a… you know what. This particular video is about caring le…

[Inaudible airport announcements] [Grey sighs] What’s the fastest way to board an airplane? I mean, you can’t just throw open the gates like funneling cattle into a chute. That’s not for us. We’re primates, after all! So let’s put our monkey brains to wor…

What we’re going to talk about in this video are three theorems that are sometimes collectively known as existence theorems. So the first that we’re going to talk about is the intermediate value theorem, and the common thread here, all of the existence t…