Safari Live - Day 129 | National Geographic

Going to do in this video is try to evaluate the definite integral from 0 to pi of x cosine of x dx. Like always, pause this video and see if you can evaluate it yourself. Well, when you immediately look at this, it’s not obvious how you just straight up…

I know from previous videos that the derivative with respect to x of the natural log of x is equal to 1 / x. What I want to do in this video is use that knowledge that we’ve seen in other videos to figure out what the derivative with respect to x is of a…

This is a map of European colonial possessions in the early to mid-1700s, and you immediately see a few things. Spain has a lot of territory in Central and South America. Even the small country of Portugal, because of its prowess during the Age of Explora…

This is the shrapnel of an exploded star, and this is a meteorite schem from over 4 billion years ago, and this is what Elon will kill for. Wow! And all of this is to understand that fundamental question people want to know: how did we get here, and how d…

Let’s talk a little bit about the conservation of angular momentum. This is going to be really useful because it explains diverse phenomena in the universe. From why an ice skater’s angular speed goes up when they tuck their arms or their legs in, all the…

This is Kigo, an AI-powered guide designed to help all students learn. Conmigo is not just for students; teachers can use Conmigo too by toggling from the student mode to teacher mode in any course. Teachers can always access Kigo by selecting the AI acti…