The Internet Has Massively Broadened Career Possibilities

In many videos already, we have talked about our three branches of government in the United States. But what we’re going to do in this video is focus a little bit more on the judicial branch. As we’ve talked about, the judicial branch’s main goal is to be…

Hi everyone, Sal Khan here. Welcome to the Homeroom with Sal livestream. We have a very, very exciting conversation today with Jennifer Doudna, the 2020 Nobel Prize winner in Chemistry for what has often been described as one of the most important discove…

[Music] Oldest, largest, and one of our most beautiful vacation lands is Yellowstone National Park. Antelope feed peacefully on grassy slopes. Woof woof, a black bear! But don’t worry; he’s friendly; he won’t bother you. For many years, Old Faithful has…

So, Tooth Fairy is an interesting dilemma when you’re a parent. Because right when they’re losing teeth, they’re supremely gullible. They’ll believe basically anything you tell them, because they don’t have their own sense of the world yet. Their understa…

NEIL DEGRASSE TYSON: We all feel the weight of the shadows on our future. But in another time, every bit as ominous as our own, there were those who could see a way through the darkness to find a star to steer by. Carl Sagan wrote, “I was a child in a tim…

Just a few years after this photograph was taken, the quagga, a subspecies of zebra, was hunted to extinction. This is actually one of the final two photographs ever taken of the quagga; the other was taken at the exact same moment, just a few inches to t…