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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You repeatedly call sourceBuffer.appendBuffer(data) to push chunks of (in our case, pre-decrypted) encoded audio data to the browser.

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A12特别报道

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触控能力将推动 macOS 引入全新的动态界面：系统会根据用户的操作方式在界面更大的触控模式与传统鼠标点按模式之间切换。系统还将支持与 iPhone、iPad 类似的快速滚动与双指缩放。

The Jacker

Nvidia’s participation in the round has been the subject of intense speculation, particularly as reports of a $100 billion investment in September gave way to reports of a smaller investment in the months that followed.