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Scientists discover why teeth form in a single row

(PhysOrg.com) -- A system of opposing genetic forces determines why mammals develop a single row of teeth, while sharks sport several, according to a study published today in the journal Science. When completely understood, ...

dateFeb 26, 2009 in Genetics
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Spanish hospital claims first full-face transplant

(AP) -- A team of surgeons has carried out the world's first full-face transplant on a young Spanish farmer unable to breathe or eat on his own since accidentally shooting himself in the face five years ago.

dateApr 23, 2010 in Other
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