Safari Live - Day 368 | National Geographic

Hi everyone! Sal Khan here from Khan Academy. Welcome to our daily homeroom. For those of y’all who are new to this, this is something that we started doing a few weeks ago as we started seeing the math school closures. Obviously, Khan Academy is a not-f…

Yes, I know, I know. The worst crime is to call people to independence and freedom… a straight way to chaos and mutual destruction. I… I… just didn’t know not what I was doing. Now I understand. If… if… you let me, I will tell them all right now! DID YOU!…

Hey, Vsauce. Michael here. And thank you for clicking on this video. But how many times a day do you click? And how many times a day do you type keys on a keyboard? You might be surprised by the answer. And one of the best ways to know exactly how many ac…

What I want to do in this video is try to figure out what 35 plus 22 plus 10 plus 16 is equal to. So, pause this video and see if you can figure that out. All right, now let’s work through this together. Now, as you will learn, there’s many ways to appro…

For a sample of pure water at 25 degrees Celsius, the concentration of hydronium ion is equal to 1.0 times 10 to the negative seventh molar. Because the concentrations are often very small, it’s much more convenient to express the concentration of hydroni…

Here’s a statistic that might surprise you: 95% of elected officials who seek re-election in the United States get re-elected. Just look at this graph that shows the rate of re-election for members of the U.S. House of Representatives; it hovers all the …