Safari Live - Day 129 | National Geographic

Let’s switch it on. Let’s see what it does. Through this coil of thick wire, we’re about to pass a huge alternating electric current. On top is a 1 kg aluminum plate. So we hear that noise. What’s that noise? It’s the vibration of the plate because it’s v…

(clanging) [Narrator] Over the course of human history, fuel for industry has come in many forms. But one of the major drivers of development in the current technological age is a highly volatile element that makes up only 0.002% of the Earth’s crust. Su…

The Federal Reserve is raising interest rates for the first time since 2018. But we’re at a very, very different place with high inflation in the United States. Inflation has rocketed; it was higher than expected—7.9%. I think there’s quite a bit of room …

[Music] Parrots are magic. They make my day. The French say that love begins with a coup de foudre, or a thunder fight. Mine began with a hurricane. In 1992, my daughter and I heard the call of a well macaw in the mangrove across the street. We dropped i…

Let’s say Y is equal to the natural log of x to the X power. What we want to do is we want to find the derivative of Y with respect to X. So I encourage you to pause this video and see if you could do it. So when you first try to tackle this, this is a l…

Look, the porcupine tracker went right up here. It’s not too far ahead. This is a fresh track. Hey, look! There he is, right there, right in that tree. Porcupines, when they’re getting chased, they like to take to the trees. I can’t shoot him with this r…