Safari Live - Day 368 | National Geographic

It seems like nearly every video on YouTube is warning investors that stock prices are too high and that they should be worrying about an upcoming stock market crash. With the stock market hitting all-time highs, I need to better understand how I should b…

Over time, things tend to change a lot. Earth was once devoid of life, and then one day, it wasn’t. Horses used to be a normal form of transportation. Fast forward a hundred years, and we now have half a million pounds of metal to sit in as we soar 400 mi…

[Music] So here we are on the Arctic National Wildlife Refuge. We’re here looking for Caribou antlers and [Music] bones. We are pretty much finding bones wherever we go. What we have here is a shed bull Caribou antler, so a male, large male. This is where…

In this video, we’re going to think about function inverses a little bit more, or whether functions are inverses of each other. Specifically, we’re going to think about can we tell that by essentially looking at a few inputs for the functions and a few ou…

Two blocks are connected by a string of negligible mass that passes over a massless pulley that turns with negligible friction. It is shown in the figure above. We see that the mass M2 of block 2 is greater than the mass M1 of block 1. The blocks are rele…

What we’re going to do in this video is see if we can solve the differential equation: the derivative of y with respect to x is equal to x times y. Pause this video and see if you can find a general solution here. So, the first thing that my brain likes …