Safari Live - Day 42 | National Geographic

Antarctica is Earth’s coolest continent, and the most complicatedly claimed continent. Yet sadly, it has no official flag to unite her. Nay, you might say. There’s this! And that flag is Antarctica-associated, but it’s not official official, and comes wit…

A quick caveat before we get started here. I do not want Smarter Every Day to be observed as a channel that glorifies weaponry. I am just fascinated by fluid dynamics, ballistics, optics, mechanics, aerodynamics. All this stuff is just fascinating to me. …

Hi, I’m Dave Travis. I’m the test prep content manager at Khan Academy. It’s especially challenging when you make a mistake again and again and again. You know that you did it wrong. You know immediately when you did it that, “Oh, I did that thing again,…

The table represents the cost of buying a small piece of land in a remote village since the year 1990. Which kind of function best models this relationship? I’m using this as an example from the Khan Academy exercises, and we’re really trying to pick bet…

What we’re going to do in this video is just make sure we know what’s going on when we are looking at listings of homes. I’m going to do this on Redfin. There are other sites like Zillow and there are several others that people often use when they’re look…

Akira receives a prize at a science fair for having the most informative project. Her trophy is in the shape of a square pyramid and is covered in shiny gold foil. So this is what her trophy looks like: how much gold foil did it take to cover the trophy, …