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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Global news & analysis

Musk's SpaceX is the world's leading company for rocket launches including for sending humans into space and maintaining a network of 10,000 Starlink internet satellites.

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Instead, Google's "see more" suggestion using the racial slur stemmed from a failure within its safety features for push notifications, or alerts that come through as text on a user's phone or device.

增长的原因,一方面是上市企业新陈代谢,部分退市,以及IPO带来新鲜血液。另一方面是越来越多企业开始投入研发,并主动披露研发相关数据。

Making Web

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