Safari Live - Day 42 | National Geographic

Let’s say that Y is equal to 7⁄2 the x squared minus X power. What is the derivative of Y, derivative of Y with respect to X? And like always, pause this video and see if you can figure it out. Well, based on how this has been color-coded ahead of time, …

[Music] When I talk to people about seeing all kinds of wildlife, they’re always amazed. They say they go into a forest, or a park, or a wooded area to take pictures of wildlife or birds, and they don’t see anything. So come along and I’ll show you how t…

What we’re going to do in this video is describe how our perceptions of public opinion may or may not affect policy decisions. So, what I have here is an excerpt from an article on Politico that was published at the end of February, shortly after the shoo…

You have all the time in the world until your world suddenly doesn’t have much time left. This year might be your last chance, so here are 15 things you’ve got one last chance to do. First up, change career fields. We seem to be at a breaking point here.…

Who doesn’t love the zombies? You know, they’re always chasing you. There’s always more of them, and they keep you alert. But also, who doesn’t love a good alien? We all want to meet the aliens. So, when I think of these forces that rise up in the storyt…

This is kind of an exciting time of year for me. My blood gets pumping a little bit ‘cause it’s breakup, and breakup to me is like New Year’s to most people. So I start my calendar year the day the river breaks up, and looking at the river, breakup is goi…