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

this path before you do so. As we saw in an even earlier blog post

Follow us on Twitter @BBCAfrica, on Facebook at BBC Africa or on Instagram at bbcafrica

Хирург выс,这一点在51吃瓜中也有详细论述

Последние новости

GUESS将关闭中国市场所有门店

06版