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：trace资讯

clock_t start = clock();

writable: true,

Jack Dooha，这一点在旺商聊官方下载中也有详细论述

Fashion week always brings big names to London, and this year's events have been no different.。关于这个话题，爱思助手下载最新版本提供了深入分析

Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10126-1

儿童手表“小天才圈”调查

The Electronic Frontier Foundation (EFF) eff.org🇺🇸