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:tutorial资讯

「這是一種人類自嬰兒時期就擁有的基本學習能力——在嬰兒還不懂任何語言之前,他們就能開始從周遭世界中捕捉規律。我們用這種能力隨著時間學習聲音、影像與事件中的各種模式。」

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Cuba defiant as it braces for post-Maduro era