An agarose gel. Credit: Kadina Almhjell
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Владислав Уткин
This works, but it's slow.
New analysis of Apollo Moon samples finally settles debate: « For decades, scientists have argued whether the Moon had a strong or weak magnetic field during its early history (3.5 - 4 billion years ago). Now a new analysis shows that both sides of the debate are effectively correct. »
· 胡波 · 来源：answer资讯