科学研究   常速英语

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The largest things in the universe are black holes. In contrast to things like planets or stars they have no physical size limit, and can literally grow endlessly. Although in reality ...

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What if our body could stay in its prime forever? What if we could be biologically immortal like a hydra, a tiny freshwater creature that can continuously renew its cells? Or what if we coul...

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[ Music ] >> What makes the Bay of Fundy a special place to hunt for fossils is its huge tides. They're the largest in the world. In just six hours, 100 billion tons of water drain h...

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Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? It turns out, there are. Even with sci-fi technology, we are trapped in a limited ...

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What would happen if we were to detonate a very very powerful nuclear weapon on the moon? Would the explosion knock its orbit towards earth, causing tidal waves and misery? Could the moon be d...

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>> Studying the DNA of ancient organisms is a window into our distant past and if you look hard enough you can find some creatures today that haven't changed much in hundreds of millions ...

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Black holes are the most powerful and extreme things in the universe and they are wildly weird and complicated. What would happen if you fell inside one and what are they really? First we need...

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[ Music ] >> You may think you have nothing in common with a creature that lives under water. But at some point in the distant past all mammals shared a common ancestor and that ancest...