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Kevlar cartilage could help you recover from joint injuries

Itcanbedifficulttofullyrecoverfromkneeinjuriesorotherdamagetoyourjoints,ifjustbecausetherehasn'tbeenanartificialreplacementforcartilagethatcanwithstandasmuchpun

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Sharks shrug shoulders at feeding study

Howdoesabambooshark,whichusessuctiontolatchontoitsprey,swallowawriggling,reluctantmeal?Withashrugofitsshoulders,accordingtoastudypublishedWednesdayinthejournalP