Safari Live - Day 368 | National Geographic

The goal of this video is to appreciate how ideas of natural rights, social contract, limited government, and popular sovereignty are embedded in America’s founding documents. But before we start looking at the documents themselves, let’s just make sure w…

Spring has finally reached the parks. Upper reaches, the Olympic Mountains alpine meadows are snow free and ready for new life. Unlike any of the biospheres below, this third Park within a park is all unforgiving edge, and its Overlord is Mount Olympus. A…

What we’re going to do in this video is a little bit more of a deep dive into the House of Representatives. Now, we’ve already talked about how either chamber of Congress can introduce general legislation, and if it gets approved by one chamber, it has to…

Well, there’s a lot of interest in the robotics community. How can we extend the human body, not only with advanced prosthetic limbs for amps, but maybe for exoskeletons? And then, of course, the question is at what point do these external devices become …

Anthony Denoon is analyzing his basketball statistics. The following table shows a probability model for the result from his next two free-throws, and so it has various outcomes of those two free-throws and then the corresponding probability: missing both…

Strontium-90 is a radioactive isotope that undergoes beta decay. Because radioactive decay is a first-order process, radioactive isotopes have constant half-lives. Half-life is symbolized by t1/2, and it’s the time required for one half of a sample of a p…