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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America was mired in Vietnam abroad and civil unrest at home. But at that moment, it seemed that humanity was united.

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This post: empirical visual similarity data from rendered glyphs。关于这个话题，爱思助手下载最新版本提供了深入分析

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Tesco will cut 180 head office jobs as it adjusts to changing shopping habits.