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：plus资讯

"That temperature is pretty nice here, really," he says. "Minus five is as warm as it gets. It can get down to about -40, but you're looking at about -20 being the average."

Раскрыты подробности похищения ребенка в Смоленске09:27

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Presenter: Chris Vallance

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这一年，公司股价摸到历史高点，可归母净利润增速却从 2019-2020 年的 70% 以上，骤降至 23.33%。