Safari Live - Day 368 | National Geographic

What we’re going to do in this video is dig a little bit deeper into the notion of democracy. The reason why this is going to be valuable is that it’s going to inform the decisions that the founding fathers had to make when they thought about whether to r…

Hi everyone! Sal Khan here from Khan Academy. Welcome to our daily live stream. Uh, this is a way we’ve started this a couple of weeks, actually months ago now, as a way for all of us to stay connected during times of social distancing and school closures…

Hi everyone, Sal Khan here from Khan Academy. Welcome to our Ed Talks live stream, which you could view as a flavor of our Homeroom live stream. Uh, and before we jump into a very exciting conversation with Bob Hughes, who’s the Director of K-12 U.S. Educ…

Humans to Mars does not require building some gigantic nuclear powered interplanetary spaceship. We can do it with the kinds of technology we either have today or know how to build today. We need to have a heavy lift booster. We take two such boosters fo…

We’re told that polygon Q is a scaled copy of polygon P using a scale factor of one half. Polygon Q’s area is what fraction of polygon P’s area? Pause this video and see if you can figure that out. All right, my brain wants to make this a little bit tang…

How can we apply Stoicism in our daily lives? This is what a book, Practical Stoicism: Exercises for Doing the Right Thing Right Now, is all about. Robbing Homer offered me the opportunity to listen to the Audible version of this book, which he narrated, …