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The toucan's long bill has long perplexed biologists. Darwin theorized that it attracted mates. Other suggested uses ranged from fruit peeling to territorial defense. But a report in the July 24th issue of the journal Science offers another explanati
Scientific American(七)月
Science and Technology 科技 Sexual Attractiveness: My chemical romance 性感吸引：我的化学浪漫 Two putative human sex pheromones turn out not to be. 关于人类的两种性信息素的假说被证明是不成立的. For several decades b
经济学人科技系列
Dr Hare and his colleagues took 43 men and 51 women, all of them straight, and gave them two tasks. Hare博士和他的同事们找了43名男性和51名女性，他们都是异性恋，给了他们两个任务。 One was to decide whether an androgy
经济学人科技系列
Andy: What are you doing? Sita: Im running some numbers for the new project. Andy: I thought that was Delias turf. Sita: Shes usually the go-to person for this type of information, but I need this info right now. Andy: Id be careful about stepping on
地道美语播客
This is the VOA Special English Agriculture Report. Back in the year two thousand, big producers of poplar trees in the American Pacific Northwest needed help. Their hybrid poplars, nearly ten years old, were under threat. Young insects were getting
VOA慢速英语2008年（二）月
China to mark up protected zones for its territorial sea base points BEIJING, Sept. 12 (Xinhua) -- China's State Oceanic Administration (SOA) on Tuesday released a series of measures to select and protect areas as the base points of the country's ter
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