Safari Live - Day 121 | National Geographic

Neutron stars are one of the most extreme things in the universe. They’re like giant atom cores. Kilometers in diameter, unbelievably dense and violent. But how can something like this even exist? The life of a star is dominated by two forces being in ba…

Hey Garans, hey Paige, hi David. Hey, so Paige, I went to the grocery store yesterday and I got this apple. Okay? I put it in the fridge, uh, and this morning when I opened the fridge, the apple was all like gross and sticky and mushy. I really want to w…

NARRATOR: Harold Uris was a chemist. Like Gerard Kuiper, he also had to fight his way into science. Uris’ family was poor, like Kuiper’s, so he took a job teaching grammar school in a mining camp in Montana. The parents of one of his students urged him to…

Hi, I’m Sal Khan, founder of the Khan Academy, and I’m here to invite you to participate in an exciting project that we have around career. Our mission statement as a not-for-profit is to provide a free, world-class education for anyone, anywhere, and par…

Hi everyone, this is Jeremy Shifling of Khan Academy. I’m joined by our amazing leader of professional learning, Megan Patani. Megan has a real treat in store for you today because she’s going to walk you through not the educator experience that you’re us…

That’s, that’s, I started selling jets over 40 years ago, and a lot has changed since those early days. But one thing I really didn’t see coming is this: me sharing my life to millions across the world and you guys tuning in week in and week out. It was …