Safari Live - Day 368 | National Geographic

Excessive worry about the future causes a very undesirable experience called anxiety. This could be short-term anxiety during the day because of something you’ve planned in the evening, or it could be long-term anxiety about the future that is completely …

Foreign. This is a National Geographic map of the world. We’re in a basement office at National Geographic headquarters, and Karen Berry is standing in front of a huge map that stretches from floor to ceiling. Like a military general, she points out explo…

When you hear the word gravity, you probably just think of things falling, like an apple from a tree. But did you know it’s also the reason why your lamp is staying on the floor? That’s because gravity is so much more than things falling down. Gravitation…

We had a really tough year this year. The Yukon River is kind of our life blood here, and we no longer have it as an option for getting food. So we’re relying on getting moose, bears, and caribou. We had no luck getting the moose this year. The caribou ha…

Now we’re ready to start hooking up our components into circuits, and one of the two things that are going to be very useful to us are Kof’s laws. In this video, we’re going to talk about Kof’s voltage law. If we look at this circuit here, this is a volt…

This table gives us a few values of the function g, so we know what g of x is equal to at these values right over here: x is equal to negative 2, negative 1, 0, and 1. It says Raphael said that since g of 1 minus g of 0 over 1 minus 0 is equal to negative…