Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.

· · 来源:dev资讯

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一只小狗的春节在京寄,详情可参考heLLoword翻译官方下载

More than 2,000 miles and 109 days later, monks finish 'Walk for Peace'

Жители Санкт-Петербурга устроили «крысогон»17:52

人手不足でも

三等奖(5 名):¥1,000 现金 + 飞傲×少数派联名版 BeatBox 套装