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.

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AudioCreate an animated image or video by adding audio to capture user’s attention in social news feeds.

スー・チー氏後継と目されたリーダーがなぜ軍主導の選挙に?。同城约会对此有专业解读

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一个个水果新品种从“高价尝鲜”变成日常消费品，表明消费升级不只在购买力更强，也在供给侧更优。业内人士推荐快连下载安装作为进阶阅读

Фото: Patrick Pleul/dpa (Photo by Patrick Pleul/ Picture alliance via Getty Images

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Nature, Published online: 24 February 2026; doi:10.1038/d41586-026-00517-9