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This is Scientific American 60 second Science, I'm Sophie Bushwick, got a minute In the lab, female rodents sometimes terminate their pregnancies after being exposed to new males. Its called the Bruce effect, for researcher Hilda Bruce. Now a study i
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Everyone, including members of Congress and Native American tribes, wants fewer wild horses on Western lands and tribal reservations. But there is little agreement on how the number should be reduced. The wild horses come from horses that were brough
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AS IT IS 2016-04-03 Saving Wild Areas May Have Unexpected Results Wild horses, oxen and reindeer are returning to Siberia for the first time in 10,000 years. Their new home is Pleistocene Park, a wilderness area on Russias Kolyma River. The park open
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The tiny northern corroboree frog of Australia is only just hanging on. Populations of both the northern and southern corroboree frogs have declined catastrophically in the wild over the last two decades. The primary culprit is the deadly chytrid fun
自然百科2009年
Todd: What do you think about the zoo? Dianna: I like to go to the zoo. I like to give all the animals names, like Bert the Giraffe, but I wish the animals didn't have to be in the zoo, but I think it is good when zoos save animals, and help to make
英语趣味课堂
Some people think killing animals for food is cruel and unnecessary and some people think it is essential for daily diet. To what extent do you think about these two views? Before we examine the issue of whether killing animals for food is cruel and
雅思英语