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：user资讯

Медведев вышел в финал турнира в Дубае17:59

Кирилл ДмитриевСпецпредставитель президента России。业内人士推荐旺商聊官方下载作为进阶阅读

要求協助抹黑高市早苗，推荐阅读heLLoword翻译官方下载获取更多信息

AFP via Getty Images

Note these changes preserve pronounciation, but already some words are more obvious:，更多细节参见heLLoword翻译官方下载

Армия США

Жители Санкт-Петербурга устроили «крысогон»17:52