Safari Live - Day 129 | National Geographic

Kanigo is an AI teaching assistant built by Khan Academy and designed to help all students learn. Conmigo has a fun and eccentric personality and is always willing and able to be your creative co-pilot. Conveigo is not just for students; teachers can use …

Let’s say someone walks up to you on the street and they give you this expression: x squared plus 7x plus 10 divided by x plus 2. And they say, “See if you could simplify this thing.” So, pause this video and see if you can do that. One way to think a…

Hi everyone, Sal Khan here from Khan Academy. Welcome to our daily homeroom live stream. For those of y’all who are new, this is something that we started doing, it feels like a lifetime ago now, almost two and a half months ago, when we started seeing sc…

The best photographs keep something from us, and there’s no better time for mystery than the Twilight hour. Much of my work as a photographer takes me to the Arctic, but I really haven’t spent much time in Canada in the winter. Shorter days allow me to ca…

Hey everyone! So, in the last video, I was talking about Divergence and kind of laying down the intuition that we need for it. You’re imagining a vector field as representing some kind of fluid flow where particles move according to the vector that they’r…

We all know how it goes. One day we’re born, one day we die. Everything that happens in between we know and understand, but everything that happened before and will happen after we know nothing about. As a result, it’s really difficult to say what exactly…