Satya Nadella on the journey to becoming Microsoft's CEO & reimagining technology's impact

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…

So I have two different XY relationships being described here, and what I would like to do in this video is figure out whether each of these relationships, whether they are either linear relationships, exponential relationships, or neither. And like alway…

Hi everyone, Sal Khan here from Khan Academy. Happy International Women’s Day! In honor of International Women’s Day, we have a special guest, someone who I know quite well, Khan Academy’s Chief People Officer, Regina Ross. We’re going to talk about her j…

Hey everyone, Sal Khan here from Khan Academy. Welcome to our daily homeroom live stream. If it’s your first time and are wondering what is this? This is a live stream that we started doing every day since school closure started happening ‘cause we realiz…

[Music] [Applause] [Music] [Music] Wow, so look puppy! But can you see? This is where daddy’s going to go, gonna go in, climb this mountain. Yes, my name is Julian Bayliss. I’m a conservation scientist. I’m an ecologist. My job is to try and help conserve…

[Music] Hey, it’s me, Destin. So, uh, welcome to my 4th of July tradition. It’s something I do every year. I’m out here on the Bickering Nag, alone this year. Everybody else had something they had to do because the firework show is late. But anyway, I’m …