Safari Live - Day 368 | National Geographic

The graph of function f is given below. It has a vertical tangent at the point (3, 0). So (3, 0) has a vertical tangent. Let me draw that. So it has a vertical tangent right over there and a horizontal tangent at the point (0, -3). (0, -3) has a horizonta…

This is the most expensive home in the world at $250 million. It’s also the tallest residential building in the world, to the point where you could actually see the curvature of the Earth right from your living room. And today, you’ll get to see exactly w…

[Music] In the rainforest, one sharpshooter is in search of its next target. Meet the velvet worm, a nearly blind creature with an impressive weapon. The worm is sensitive to air currents caused by movements and uses this to hunt. The velvet worm moves …

What’s up, wordsmiths? This video is about the word eliminate. [Music] It’s a verb. It means to remove or get rid of something. The word comes to us from Latin, and it’s a combination of two parts: “ex,” which means out or away (think exit), and “limit,”…

Hi, I’m Stacy with Khan Academy. And today I’m going to show you how students will navigate our new mastery view within the learning platform. Students will no longer need to navigate to a course homepage, or to their learner homepage, in order to find …

In this video, we’re going to introduce a couple of words to help talk about the relationship between sine and cosine, or different sinusoids that have the same frequency but a different timing relationship. So what I’ve shown here is a plot of a cosine …