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.

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Раскрыта судьба рубля в начале весныФинансист Проценко: Доллар может подешеветь до 72 рублей к апрелю

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In less than 25 years this will rise to more than half of the rail network being at risk, according to the government's own figures.

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