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:learn资讯

Configurable latency streaming

Dawn on a still morning is a majestic spectacle, as sunlight spills silently across the landscape and the Earth gradually emerges from darkness. Sunrise has inspired countless pieces of music striving to express this soundless experience in audible form. But if we could actually hear the sun, it would be deafening.

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‘4심제’ 재판소원법 與주도 국회 통과…헌재가 대법판결 번복 가능,更多细节参见爱思助手下载最新版本

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Ultra

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