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★★★★★ 五星级,优秀推荐
Where do dogs come from?
Gray wolves are their ancestors. Scientists are pretty consistent about that. And researchers have suggested that dogs’origins can be traced to Europe, the Near East, Siberia and South China.
Central Asia is the newest and best candidate, according to a large study of dogs from around the world.
Laura M. Shannon and Adam R. Boyko at Cornell University, and an international group of other scientists, studied not only purebred dogs, but also street or village dogs — the free-ranging scavengers that make up about 75 percent of the planet’s one billion dogs.
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纽约时报的这篇文章有点意思。 |
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