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Why do elephants have big ears?Elephants have the largest ears in the animal kingdom, and there's a practical reason for that.
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Scientists solve mystery of how orange cats got their coats — and why so many are maleResearchers have discovered how orange cats got their coats — and why so many of them are male. The coat color comes from a genetic mutation on the X chromosome of orange, calico and tortoiseshell cats.
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What's the difference between apes and monkeys?Primatologists explain how apes and monkeys differ.
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Big cats quiz: Can you get the lion's share of these questions right?Quiz How good is your knowledge of big cats? Let's find out if you've got the eye of the tiger in this quiz.
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Do pandas eat anything besides bamboo?Pandas are descended from carnivores. Why do they eat an (almost) exclusively vegan diet?
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Humans heal much more slowly than chimps do. Researchers are still trying to figure out why.Researchers have found that wounds heal three times more slowly in humans than in other primates and rodents, suggesting we may have evolved slower healing at some point in our ancestry.
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How related are dire wolves and gray wolves? The answer might surprise you.Recent findings indicate that dire wolves and gray wolves are distantly related, having diverged about 5.7 million years ago and, as far as scientists can tell, never interbred since then.
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Chimps filmed sharing alcoholic food for first timeVideos of chimpanzees sharing alcoholic fruit suggest that this behavior could have led to feasting in humans, a new study finds.
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Why do cats bring home dead animals?Cats sometimes catch and leave a "gift" for their humans. But why do cats give us dead mice, birds or other prey?
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