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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Two influential Brazilian politician brothers have been convicted by Brazil’s supreme court of ordering the murder of Marielle Franco, the Rio de Janeiro city councillor, nearly eight years ago.

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“开展主题教育,要以解决实际问题的成效作为衡量标准,即知即改、立行立改,不能拖延,不能虚与应付。”2019年7月,习近平总书记在内蒙古考察并指导开展“不忘初心、牢记使命”主题教育,指导广大党员破解“学归学做归做”的“两张皮”问题。