Safari Live - Day 337 | National Geographic

In this video, we’re going to talk about sources of genetic variation, which is key for evolution and natural selection to happen. Just as a little bit of a primer: natural selection, you can have a bunch of different organisms with different genetics, di…

[music playing] HAZEN AUDEL: The Mani have an unrivaled knowledge of the local plants and trees, relying on them for almost everything they need. [non-english speech] Huh? [non-english speech] [non-english speech] That one right there. [non-english speec…

So we pulled into this Bay and we’re waiting for the tide to drop. Down, the tide is dropping just before midnight, so we basically have to wait it out. We can look at one of these beaches where we’re told there’s oil, and swimming over the top of the bea…

This program features live coverage of an African safari and may include animal kills and caucuses. Viewer discretion is advised. Good afternoon and welcome to a stripey start to our sunset Safari on a rather windy afternoon. It is a little bit breezy, Ar…

Let’s talk about Robert Todd Lincoln. He was Abraham Lincoln’s son, and in 1863 or ‘64, he slipped at the New Jersey train depot. He was almost crushed by a train car, but his life was saved when a man reached out and grabbed him, pulling him back. That m…

We are now going to continue our study of labor markets, and in this video we’re going to focus on the demand curve for labor. So, let’s imagine that we’re talking about a market for people who work in the pant-making industry. So each of these firms righ…