August 11, 2009
Redheads might have a better excuse than the rest of us for avoiding the dentist. For several years now scientists have known that the same genetic variations that give redheads their fiery manes can increase the amount of general or local anesthetic a person needs in order to be properly put out or numbed [...]
February 6, 2008
If you think mutations are just sinister events that create human flies and gigantic man-eating ants, you're living in a '50s B-movie. Though they sometimes cause big problems for the organisms who acquire or inherit them, mutations are actually the engine of evolution. Without them, life as we know it could [...]
