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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近年兩岸關係緊張，反對「文化入侵」的討論時有發生，《甄嬛傳》成為了少數依舊在台灣社會流行的中國文化符號，引起不同的政治與文化解讀。

圖像來源，GREG BAKER/AFP via Getty Images

Time。关于这个话题，同城约会提供了深入分析

North Sea oil and gas facilities can be re-used for carbon storage

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Author(s): Jiachen Xie, Jianteng Wang, Xudong Rong, Dongdong Zhao, Enzuo Liu, Chunnian He, Chunshen Shi, Naiqin Zhao