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How hermit crabs shake off competitors for shells

House hunters are deterred from evicting incumbents by strong vibrations from inside Hermit crabs shake in their shells to ward off competitors who have designs on their homes, scientists have found. Field tests conducted on a beach in Costa Rica showed Pacific hermit crabs are swiftly deterred from ousting an incumbent when they sense strong vibrations coming from inside. Researchers at Dartmouth College in New Hampshire set out to investigate the role of vibrations after noticing that the land-dwelling crabs performed a shunting motion when others climbed on their backs.…

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World Cup 2018 power rankings: Brazil and Croatia lead the way

At the end of the group stage we rank the 32 teams at the World Cup in Russia, with Brazil top, England in 10th and Panama last 1) Brazil It is hard to shake the feeling that Brazil are the best-balanced side at this World Cup. win over Serbia and they look capable of raising things further. thumping win over Argentina. A meeting with Spain in the last eight looks likely and Zlatko Dalics side cannot be ruled out of doing something special. 3) Belgium Whether or not they really…

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