常速英语

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What if Earth's orbit ventured as far from the Sun as Pluto, and got as close to it as Venus? Would humans be able to survive such extreme changes in temperature? And if we could, what are the chan...

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(evil laughter sounds) - [Narrator] It's that time of year, when vacant storefronts, temporarily transform into SPIRIT HALLOWEEN, that spooky seasonal retailer, that's seemingly everyw...

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Jupiter. Uranus. Saturn. Earth? Sadly, the Earth didn't make it onto the list of the Solar System's ringed planets. If it did, would it still be able to host life? This is WHAT IF, ...

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- This is a period of great transition. It's a seismic shift effort. - Maybe the biggest revolution since we moved from the horse to the engine. - [Narrator] If I say electric vehicle to...

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From what we can tell, it seems that volcanic activity on Reykjanes happens in pulses. So, yeah, 800 years ago there was a series of eruptions that took place all along R...

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Five billion years from now, the Sun will expand and become a red giant. And the Earth might be just in the way... If humans were still around then, would we leave Earth? Or would we move it? ...

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(playful music) - [Narrator] This is Northwest Arkansas, the birthplace of Walmart and the gateway to the Ozarks, which you've probably heard of because of that Netflix show. - You owe m...

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Imagine, striking a match and having everything around you catch on fire. Even if you were standing in a wet forest. And while that's happening, imagine being chased by giant insects. ...