Safari Live - Day 42 | National Geographic

Let’s now see if we could come up with the chemical formula for the ionic compound calcium bromide. And like always, if you are inspired, pause the video and see if you could come up with it on your own. All right, so the convention is that we write the …

[Music] Is it magic or is it madness? I’ve got a confession to make. [Music] I’ve never climbed a mountain, never swum in a lake. [Music] I was in a cave once. I’m beginning to think that I might be missing something. Well, ready? Yes, sir! I asked the b…

[Voiceover] In the last video, we factored this polynomial in order to find the real roots. We factored it by grouping, which essentially means doing the distributive property in reverse twice. I mentioned that there’s two ways you could do it. You could …

We’ve already had several videos where we give an overview of the Crusades. Just as a review, they happen over roughly 200 years during the High Middle Ages. The First Crusade, at the very end of the 11th century, was actually the most successful of the C…

[Music] I am hunting down the story, but I’m not your standard, uh, correspondent. I’m a wide-eyed, enthusiastic guy that loves the world we live in. I mean, of course, I’ve heard a lot about Congo, but I can’t sort of get away from these, uh, romantic no…

That was a really good intro for making it up just then, and it definitely sounded like that, like it was bad in the way jazz is bad. Well, you’re dodging the question of that wonderful music we were just listening to from your album, “Hardly Working.” P…