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1月16日 · 孙亮 · 来源：dev资讯

这个春节，位于湖北宜昌三峡植物园的蜡梅园迎来了热闹时刻，专程来赏花的游客络绎不绝。狗牙蜡梅、素心蜡梅、磬口蜡梅等品种竞相盛放，馨香满园。相邻的梅园中，粉的、白的、红的梅花也绽开了笑脸。

“技防”还是不如“人防”

寒风凛冽

SAVE $600: As of Feb. 27, the Ecovacs Deebot X9 Pro Omni is on sale for $699 at Amazon. That's a 46% discount on the list price.