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：tutorial资讯

So it is that agar continues to be the jelly of choice in laboratories around the world. As Humm wrote in 1947: “Today, the most important product obtained from seaweeds is agar, a widely-used commodity but one that is not well known to the general public.” Almost 80 years later, it might be better known, but its importance hasn’t dwindled.

Жители Санкт-Петербурга устроили «крысогон»17:52

还拍了个短剧。一键获取谷歌浏览器下载是该领域的重要参考

Раскрыты подробности о договорных матчах в российском футболе18:01

圖像來源，BBC Chinese / Lok Lee

LLMs used

当前，智能手机存储芯片采购成本较去年同期已上涨超过80%，且仍未见放缓迹象。受此压力传导，国内多家头部手机品牌已拟定于3月初启动新一轮产品价格调整。这将是近五年来手机行业规模最大、涨幅最为显著的一轮集体调价。（新浪科技、第一财经）