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Vervet monkeys in the savanna of east
爱yabo888体育同城对对碰yabo888体育品茶Africa utter three distinct cries depending
on whether they spot a leopard, a snake or an eagle, their three main predators.
Fellow monkeys who hear the cries but cannot see the
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peril react accordingly: The leopard call sends them scurrying up a tree, a sn
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In science, the celestial bodies in our solar system can be said to have their own independent classification, without deliberately
emphasizing what celestial bodies belong to whom part, so for so many years,
scientists have tried every means to study extraterrestrial objects, hoping to be able to visit other planets, not only in order
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According to Russia’s scientific report of June 8, another strange thing happened. I don’t know whether it was a joke or the real one.
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According to the scientific report, U.S. President Donald Trump has made a statement in the
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ake call prompts them to stand motionless on two legs, and the eagle cry makes them scan the sky while seeking shelter.