单词：cicada molting
单词：cicada molting 相关文章
With the late winter storm bearing down on Massachusetts, one group of plucky individuals in Milton, Massachusetts, got together to help out their neighbors across the road. From PBS station WGBH, Cristina Quinn has the story. What happens when the c
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This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. If you were a bird, how big could you be? Well, an ostrich can weigh 400 poundsbut it cant get off the ground. So what if you want to fly? University of
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The Siren Song of the Spotted Katydid A lonely male cicada scrambles through the top of a tree in eastern Australia. He chirps and then pauseslistening. Hes hunting for a mate. He chirps again and he hears itthe tell-tale click of a receptive female.
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Molting Molds Flying Bird Size Limit A study in the journal Public Library of Science Biology finds that it's the rate at which flying birds can replace their flight feathers that determines how big they can grow and still get off the ground. Karen
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Voice 1 Thank you for joining us for todays Spotlight program. Im Ryan Geertsma. Voice 2 And Im Courtney Schutt. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. V
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Methuselah Insect 昆虫的寿命相对于地球上的其他生物而言，算比较短的，不过有一种昆虫的寿命相当长，那就是一种能17年的蝉。蝉寿命虽长，却要在土里面沉睡17年，当它睡醒之后，从土里钻出
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寒蝉和灵龟 The Winter Cicada and the Wonder Tortoise 世人都说彭祖活了八百岁，是人间最长寿的了。 People say that once there was a man named PengZu, who at 800 years old had lived the longest life ever. 但有一种小虫叫做朝
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