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:proxy资讯

Offers most features in the free plan

# Show current rules

錢沒了身體垮了,推荐阅读谷歌浏览器【最新下载地址】获取更多信息

The National Trust has described this project as "a bold marine engineering feat".

2 days agoShareSave

Starmer hi

在 Tbox 文档里粘贴为 Mermaid 代码块(Markdown 里用 mermaid ... )。