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. »

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"We have soft robots powered by air that can walk on land and then walk into water – we don't have to worry about what happens when things get wet," he explains. In one case, a six-legged robot devoid of electronics moves its legs to walk when air is pumped in and out of a tube.

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