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SSS 2011-12-22

时间:2012-01-13 05:51来源:互联网 提供网友:gmeng   字体: [ ]
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 This is Scientific American's sixty Science. I'm  Sophie Bushwick. Got a minute.

 
Several for the species can distinguish between two and five bananas, but what's the exceptional the primates1 they can't grasp the new American rules, what let they range the piles foods from the least to the most. Now new researchers suggest the pigeons like primates can't follow the upstructure rules. The study is in Journal Science.
 
Researchers trains pigeons with cards, on which pictures are one, two or three shapes, sometimes different sizes and colors. The birds automatically were able to correctly pick card with one large screen first, follow by card with two small red wa*,follow by one showing three long * rads*. Then pigeons demonstrates a new ability, based two cards, each showing up two night images, they could tell which card had more, which indicates they had obstructed2 understanding the single digital month. R* monkeys trained the similar way to display the same talents. What they shared the ability above independently working from common ancestors is unclear. But it's clear the birds brains are so down.

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1 primates 9536f12c27d026e37c108bd6fc53dbba     
primate的复数
参考例句:
  • Primates are alert, inquisitive animals. 灵长目动物是机灵、好奇的动物。
  • Consciousness or cerebration has been said to have emerged in the evolution of higher primates. 据说意识或思考在较高级灵长类的进化中已出现。
2 obstructed 5b709055bfd182f94d70e3e16debb3a4     
阻塞( obstruct的过去式和过去分词 ); 堵塞; 阻碍; 阻止
参考例句:
  • Tall trees obstructed his view of the road. 有大树挡着,他看不到道路。
  • The Irish and Bristol Channels were closed or grievously obstructed. 爱尔兰海峡和布里斯托尔海峡或遭受封锁,或受到了严重阻碍。
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