Safari Live - Day 129 | National Geographic

This video we’re going to try to get a sense of what the limit as x approaches 3 of ( x^3 - 3x^2 ) over ( 5x - 15 ) is. And when I say get a sense, we’re going to do that by seeing what values for this expression we get as x gets closer and closer to 3. N…

Everything we do has an impact on the world around us that can be a good thing or a bad one. For most of us, that impact can seem pretty small. If you throw an empty can on the ground instead of in the recycling bin, your local park will still be pretty c…

Algorithms increasingly control many areas of our everyday lives, from loan applications to dating apps to hospital waiting lists. As responsible consumers and now creators of algorithms, we need to think critically about how the success of an algorithm g…

So let’s think about something a little bit. What do you think 17 divided by 2 is going to be? Well, you might immediately realize that it’s not obvious what you need to multiply 2 by in order to get to 17. There’s no whole number that I could put here th…

When you tell people that you do tape tiling, they say, “Oh, you must be an adrenaline junkie!” But in fact, it’s the exact opposite. When I get underground and underwater, it’s a hundred percent focus, and all you hear is really the sound of your own bre…

[Engines screaming] Hey, it’s me, Destin. We’re at an airshow. So today I’m going to teach you about vortex shedding. [Music] Engines screaming YEAH! (Destin) Fly… flying our airplanes. Engine roaring I can’t hear you. Why does the smoke come out of the a…