Safari Live - Day 129 | National Geographic

Hello everyone! Today we are going to be talking about Earth’s place in space. So, for as long as there have been humans, we’ve been looking up at the stars and wondering about our place in the universe. Our understanding about this has improved over tim…

Hey, it’s me Destin! Welcome back to Smarter Every Day. Here’s the deal: um, I’m in a super weird place in life right now. I’ve got four kids. I’m an engineer. I’ve got this YouTube thing, I give talks, but my channel name is Smarter Every Day. I’ve been …

Standing on the scale. The wheel is spinning and it still weighs 92 kilograms. You made the prediction. Let’s see what happens when I throw it up over my head in three, two, one. What do you think? I don’t know about you, but to me, it looked like a shaky…

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…

MORGAN FREEMAN: I was a little kid during World War II. And following the end of the war, of course, glory and bravery and patriotism instilled in me. And where do I go? Air Force. How’d you feel going in? So when I joined the military, I really did it to…

Pamela was asked to find where ( h(x) = x^3 - 6x^2 + 12x ) has a relative extremum. This is her solution. So, step one, it looks like she tried to take the derivative. Step two, she tries to find the solution to find where the derivative is equal to zero…