常速英语

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The fundamental currency of our universe is energy. It lights our homes, grows our food, powers our computers. We can get it lots of ways: Burning fossil fuels, splitting atoms, or sunlig...

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So here is a fish and electrical signals are coming down the nerve, and this is how a fish swims. At the junction between nerves and muscles, the electrical signals have to get through th...

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Quantum computers could one day solve some of the world's toughest problems, and they’d do this by working completely differently to a regular computer. Information is stored in your la...

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What we're going to show you is the next animation, which illustrates how these different components are able to paralyze a fish. So here is the electrical signal coming down the nerve. ...

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What if our universe comes with a self-destruct button to eliminate itself so cleanly and efficiently, that every single physical thing would just stop existing and life would be imp...

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So we're looking at an Aplysia stretched out. We're going to focus in on the gill and the siphon. We're going to apply an extremely weak stimulus so you can see the amplification with s...

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Later, from a V-2 Rocket, you got the most graphic, actual pictures yet taken by a camera showing how the earth looks from a point 70 miles in space. Though no man has yet ventured m...

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And so what I would like to do now is continue this developmental story. And don't be worried here. So what I'm going to try and do is really focus on this question of neuronal identit...