Planning to switch fields? Be bold, know your limits and choose your institution wisely, say three UK research leaders.
Nasa announced on Friday radical changes to its delayed Artemis III mission to land humans back on the moon, as the US space agency grapples with technical glitches and criticism that it is trying to do too much too soon.
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Цены на нефть взлетели до максимума за полгода17:55
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第十二条 居民委员会具有基层群众性自治组织法人资格，居民委员会主任为法定代表人。居民委员会可以从事为履行职能所需要的民事活动，但是不得提供担保。