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：study资讯

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Not so much a bad night at the office as a high-stakes, avant-garde masterpiece of self-destruction, Ramy Bensebaini’s performance for Borussia Dortmund as they crashed out of Bigger Cup is destined to go down in the annals as one of the most hapless in the tournament’s history. While there have been costlier mistakes (hello, Loris Karius) and far more high-profile disintegrations (bonjour, b@nter-era PSG), it is difficult to recall any one elite professional footballer being responsible for quite so many howlers in one game as the hapless Algerian left-back.，这一点在WPS下载最新地址中也有详细论述

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