自然旅游   常速英语

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Everything changed when the slaver nation attacked. What used to be a thriving colony is now a captured country. Slaves do the work, serving their new masters until they die, only to be ...

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When two black holes slam together, they don't make a sound. And yet this is what we hear if we listen closely, Let’s listen again That “chirp” is what we heard from two black holes ...

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Deep in tropical jungles lie floating kingdoms, ruled by beautiful and deadly masters. They're sort of the high elves of the ant kingdoms; talented architects that create castles and city...

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They can be very elusive and quiet and secretive until they're not. I think it's neat that Detroit is, as far as I know, as far as anybody that I've talked to knows, Detroit's the only city that has ...

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In nearly every corner of the earth, ants wage war against each other. Their weapons are what nature gave them. Some have strong armor, deathly stingers, or sharp mandibles. And then there's thi...

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MANUEL LEAL: I was very lucky to grow up in Puerto Rico. When I was a little kid, I spent hours catching lizards. And to me, that was amazing. So I've been with the lizards all my life, ba...

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Today we got this wonderful collection of fiddler crabs. 1274 jars of crabs. It's a lot of crabs. It's a sizable collection. Frank Barnwell, faculty member at the University of Minn...

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CLAY BOLT: We spray lots of chemicals on plants-- fertilizers, pesticides, fungicides. Could some of these chemicals have harmful effects on pollinators like bees? There are almost ...