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.

2026年2月26日 · 徐丽 · 来源：dalian资讯

8点1氪丨玛莎拉蒂母公司全年净亏损1800亿元人民币；男童发育不良新药引爆股价，长春高新回应；德国总理默茨参访宇树科技

Subscribe to unlock this article，更多细节参见91视频

"We can raise it up again after a year to change the batteries. That means we can avoid using divers, which is a really risky operation that we wanted to avoid," he said.。关于这个话题，safew官方下载提供了深入分析

Мерц резко сменил риторику во время встречи в Китае09:25

Show HN