常速英语

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SPEAKER 1: When we think of conservation we typically focus on the big animals. But we may be forgetting about some of the most important players in an ecosystem, like ants. These insec...

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Humans love meat. Steak, fried chicken, bacon, pork belly, and sausages are just the best things! Eating meat has become so trivial that many people don't consider something a proper meal ...

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SPEAKER 1: Prior to a devastating civil war, Gorongosa National Park was home to some of the biggest populations of wildlife in southern Africa. During the war, huge numbers of animals ...

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What would happen if we detonated humanity's most powerful nuclear weapon at the deepest point of the ocean? For sure, tsunamis hundreds of meters high would destroy coastal cities, earthquakes ...

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MEAVE LEAKEY: I've never really thought footprints are terribly interesting. But those particular ones, because of their age, because how well-preserved they are, they're absolutely uniqu...

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The kidneys are two bean-shaped organs, each about the size of a fist. They are located just below the rib cage, one on each side of your spine. Healthy kidneys filter your blood, maintaining a hea...

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PER AHLBERG: You have this fish that's-- it's like a sort of living time machine. SAMANTHA WEINBERG: It was like looking at a dinosaur, this creature that has been around for 400 milli...

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If you saw a wormhole in reality, it would appear round, spherical, a bit like a black hole. Light from the other side passes through and gives you a window to a faraway place. Once crossed, the...