常速英语

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DOMINIQUE DEMILLE: Oh, they is coming. SPEAKER 1: For over 40 years, Joyce Poole has been studying elephant populations in Africa. She's one of the world's experts on elephant beh...

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Rogue planets are planets that travel through the universe alone. They inhabit the dark and vast space between the stars. Drifting alone through eternal darkness, no light warms their surfaces, ...

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SPEAKER 1: Jon Epstein is a virus hunter. He chases viruses that can cause outbreaks of infectious diseases. JONATHAN EPSTEIN: Over the past 40 or 50 years, we have seen a real increase...

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If someone asked you to picture a quantum computer, what would you see in your mind? Maybe you see a normal computer-- just bigger, with some mysterious physics magic going on inside? Forget laptop...

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Now we can see even more beautiful ways of looking at the brain with newer technologies. And that's shown here. There's an amazing technology that's just been developed in the last cou...

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Human history is told by the energy we use. At first we had to use our muscles, then we learned to control fire. We industrialized the world using coal and oil and entered the Atomic Age when we le...

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Tiktaalik was headline news the day it was described, in 2006. And I remember going in to drop one of my kids off at the school. And the teacher asked me. He said, I read about your ...

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The Coronavirus pandemic has changed the world by showing people what a pandemic can do in the 21st century, when we have vaccines antibiotics science--we still can have a very disruptive ...