Safari Live - Day 42 | National Geographic

We’ll start with Kirsty. Kirsty: Hi everyone! I’m Kirsty Nathu. I’m the CFO at Y Combinator, so I look after all of Y Combinator’s monies and help the startups with their money questions. Elizabeth: I’m Elizabeth Irans. I’m just a part-time partner at Y…

[Applause] So, in the spinning disc trick we saw that an asymmetrically weighted disc, when spun, actually flips so that the lighter side goes towards the bottom. Now, this is a variation on something called the tippy top, a little spinning toy that spins…

Ever since 490 BC, when Thea deputies ran the 26 miles from Marathon to Athens to declare victory over the Persians and promptly died, humans have been asking themselves, “How fast can we run this distance?” It’s a question that has motivated us for thou…

[Music] We hear it so much that it feels like a buzzword, but it is far from it. Climate change is a real and serious issue. But isn’t the climate always changing? What exactly is climate changing? Why should we care? Well, the Earth’s climate has change…

Hey, it’s me Destin. Welcome to Smarter Every Day. So, today’s episode’s a little bit different. I have a question about breathing. It’s pretty simple. See, our bags are packed and we’re about to go to the hospital to have our third child, and my question…

Well, I said the next video I was going to be talking about the super investors, but you guys were very keen to discuss the risks behind Alibaba stock. So, I thought I’d better make this video first. In the last video, we did a deep dive on how Alibaba’s…