Safari Live - Day 42 | National Geographic

It’s time to look at one of the most important brain functions of all: memory. Of course, to get to our next location, we’ll need directions, so let’s play a direction game. Here’s a simple memory test. Pay attention to the directions we give you. Betwee…

Our memory is remarkable; it allows us to remember things—the good and bad—and helps us make sense of everything around us by preserving details and events that we can later revisit. It’s a crucial ability, without which we would have no semblance of who,…

Hey, it’s me, Destin. Welcome to Smarter Every Day. So, you know you’re in trouble when you have to break out the tinker toys to explain a concept. What are you gonna build? (son) Tinker toy ducks, scrod and rolls over your ham. [??] Good idea. What are …

What we’re going to do in this video is to start thinking about adding mixed numbers. Now, just as a reminder, what a mixed number is, it’d be something like 3 and 2⁄8. It’s called mixed because part of the way we represent this number is as a whole numbe…

Hello AP Calculus students! This is Sal Khan of the Khan Academy. As we all know, the AP Calculus exams, both the AB and BC exams, are coming up this Thursday, May fifth. I’m sure you are buzzing with as much excitement as I am. In case you didn’t alread…

For years, I’ve heard from friends how the Upper Peninsula of Michigan is this mythical place that I needed to see at some point in my life. I’m very grateful as a National Geographic photographer to travel all around the world to see magnificent landscap…