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.
· 王芳 · 来源:www资讯
讲述人:中移互联网有限公司智慧认证中心总经理 邱浚漾
Александра Синицына (Ночной линейный редактор),详情可参考safew官方下载