Safari Live - Day 129 | National Geographic

Engineers are turning to origami for inspiration for all types of applications, from medical devices to space applications, and even stopping bullets. But why is it that this ancient art of paper folding is so useful for modern engineering? Origami, liter…

In this video, we’re going to think about what makes a poll or a survey credible. Because remember, the whole reason why we’re going to do a poll or survey is we want to understand public opinion. But if it’s not statistically credible, if we can’t believ…

Hello David, hello Kim. So, I’ve brought you here to talk about the Gilded Age, which is one of my favorite eras of American history because everything was great and covered in gold. No, because it is the only era of American history I can think of that h…

Recently, some friends of mine went to the Gordon Dam in Tasmania, which is 126.5 meters (or 415 feet) high. Then they dropped a basketball over the edge. You can see that the basketball gets pushed around a bit by the breeze, but it lands basically right…

We were expecting a river here and we didn’t find one. In 2015, a group of scientists began a comprehensive survey of the little known Angolan highlands. The plan was to travel thousands of kilometers down river from the source lakes to Botswana’s Okavang…

So last year, interest rates were at all-time lows, and the stock and real estate markets were skyrocketing. In September of 2021, yields, which is just a fancy way to say interest rates on 10-year government bonds, were hovering around 1.25. The tech sto…