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：trace资讯

“坐牢”，是我对狗寄养生涯的戏称。

Real-world failures

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Медведев вышел в финал турнира в Дубае17:59

Qatar and Turkey mediated between the two sides, with talks held in Doha and Istanbul. A fragile ceasefire followed, but the negotiations failed to bring about a ceasing of hostilities between the two sides.

澳洲枪手被击倒瞬间

Пари Нижний Новгород