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：cdn资讯

Фото: Bob Strong / Reuters

Марина Совина (ночной редактор)

07版，更多细节参见爱思助手下载最新版本

Фонбет Чемпионат КХЛ

The president’s cuts have defunded and alienated thousands of American scientists. Europe can benefit, if it makes the right offer

A05北京新闻

Szubanski is best known for her iconic role as Sharon Strzelecki in the Australian sitcom Kath & Kim, and for her film roles in Babe and Happy Feet.