Safari Live - Day 121 | National Geographic

What we have here are pictures of running pigs, and we could try to figure out how many running pigs there are by just counting the pigs. But we’re going to start building some new muscles, and this muscle is going to involve, hey, if we group the pigs in…

So, we have two three by three matrices here: matrix A and matrix B. We could, of course, view each of them as a transformation in three-dimensional space. Now, what we’re going to think about in this video is the composition of A and B. So, you could th…

This is Ajax, and I’ve trained him to help me find kea nests. He’s the only kea dog in the country, and I guess that means the world. People are really shocked when you tell them that there are less kea than there are kiwis. I’ve been training Ajax since …

I just learned how to hold a bat correctly. This is what they do to learn more about the different species that live in this region. They’re nervous. We’re told to not hold them for very long. It’s easy to forget that the nocturnal world is teeming with w…

Miriam was testing her null hypothesis that the population mean of some dataset is equal to 18 versus her alternative hypothesis that the mean is less than 18. With a sample of 7 observations, her test statistic, I can never say that was T, is equal to ne…

Right now, the global economy is facing a crisis on the scale not seen since the Great Recession of 2008. But what on Earth do we do about it as investors? The annual inflation rate in the United States sits at a staggering six percent. Interest rates are…