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2009-12-02 08:02:16

In a study published in the journal Development, investigators at the USC School of Dentistry describe how to non-surgically reverse the onset of cleft palate in fetal mice - potentially one step in the journey to a better understanding of similar defects in humans. Yang Chai, the study's principal investigator and director of the School of Dentistry's Center for Craniofacial Molecular Biology, said that cleft palate is one of the most common congenital birth defects in humans and that...

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2009-02-26 15:25:00

Scientists have reported new insights gathered from a single gene that could one day be used to help adults grow a new set of teeth. Scientists from the University of Rochester bred mice that lacked the oddskipped related-2 (Osr2) gene. They noted that mice that lacked the gene grew an extra set of teeth next to their molars in similar fashion to sharks and other non-mammals. "It's exciting. We've got a clue what to do," Dr. Songtao Shi of the University of Southern California School of...


Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'