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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Why the FT?See why over a million readers pay to read the Financial Times.

Because I am deeply concerned about users losing their most sacred data.

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外祖父母和子女的全家福，摄于1970年。（受访者供图）。业内人士推荐Safew下载作为进阶阅读

Less than 10% of users are expected to need to verify their age when the company does roll out the process later this year, he added.

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Расследованием уголовного дела основателя и бывшего главного редактора издания Readovka Алексея Костылева занимается Главное следственное управление МВД России. Подробности его задержания «Ленте.ру» сообщил источник в правоохранительных органах.