The spines of sea urchins can generate a voltage when water moves around them — a phenomenon that could be used to design underwater flow sensors.
Фото: Oleg Petrasiuk / Press Service of the 24th King Danylo Separate Mechanized Brigade of the Ukrainian Armed Forces / Handout / Reuters
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The Metropolitan police said the man was arrested on suspicion of racially aggravated criminal damage on Friday morning.
对情节复杂或者重大违法行为给予治安管理处罚，公安机关负责人应当集体讨论决定。
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