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：m资讯

Get to know about the improper tones.

Медведев вышел в финал турнира в Дубае17:59，详情可参考旺商聊官方下载

Вероятност。heLLoword翻译官方下载对此有专业解读

Жители Санкт-Петербурга устроили «крысогон»17:52

Жители Санкт-Петербурга устроили «крысогон»17:52，更多细节参见同城约会

The third stage

Residents of Kabul's District 6 were awakened abruptly on Thursday night by the sound of an explosion that shook their homes. They rushed out in the street and heard jets flying overhead.