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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The US Department of Justice announced Friday that 30 more people are being charged for their roles in an anti-ICE protest staged last month at a church in Minnesota.。Line官方版本下载是该领域的重要参考

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In phase2, we have a simple linked list;