Turkey does 1st triple-limb transplant
A hospital in southern Turkey has performed the world's first triple limb transplant, attaching two arms and one leg to a 34-year-old man, an official said.
Turkey does 1st triple-limb transplant
Helmets for tobogganing kids get crash tests
A Canadian study suggests young children should wear helmets while tobogganing, but concludes there's no clear answer about what type of headgear works best. video
Bird flu mutation studies paused to decide next steps
Scientists studying a more dangerous version of the H5N1 bird flu virus say they'll stop their experiments for 60 days.
