Ex-CIA Spy: China Is Preparing & We're Not Paying Attention! Here's What Happens If They Takeover!

We’re now going to talk about something called UT tropication. UT tropication comes from, or it’s derived from, the Greek for well-nourished, referring to “well,” and then “trophic” or “trophia,” referring to nourished or nourishment. You might think that…

You’re gonna start small, learn as you go along, and then slowly over time, over the period of maybe three, four years, or maybe over a few decades, you’re gonna slowly scale this up, and each time you’re gonna make more and more and more money. What’s u…

Hi everyone, Sal Khan here, and I’m excited to announce that Khan Migo, our generative AI-powered tutor on Khan Academy, is now generally available! This is especially powerful as we go into back to school. If you have Khan Migo, your student has it on th…

We come here every winter, bringing tons of dive stuff, going into the mountains. During this expedition, Darrell, we get to explore this cave system that we have found here. This is the longest underwater cave in Sweden, and we know there’s going to be s…

I don’t have heroes; a hero’s a big word. There are people that I look up to, and I’ve learned a lot from, and Matt Ridley has got to be near the top of that list. Growing up, I was a voracious reader, especially reading science. Matt had a bigger influen…

We are at the Ravi Hio Island, 300 miles from shore off of Mexico, and we’re putting Critter cams on giant mantas for the first time. Mantas are so friendly that they just hang out with the divers, so we wouldn’t get any interesting footage because we’d …