Scientists warn that as humans move more activities off-Earth, more debris will fall to Earth, polluting as it plummets.
We meet Collins at London's Science Museum. She's softly spoken, warm and very down to earth - but you quickly get a sense of her focus and determination. She clearly has inner steel.
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与此同时,微软也紧急发声明「维稳」:与 OpenAI 的合作关系一切照旧。