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：api资讯

Ранее стало известно об обнаружении тел учительницы и ее мужа в квартире в Кемеровской области.

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His book, Lost Moon: The Perilous Voyage of Apollo 13, became the famous 1995 movie, starring Tom Hanks as Jim Lovell.