UCSF team closer to creating safe embryonic-like stem cells

A team of UCSF researchers has for the first time used tiny molecules called microRNAs to help turn adult mouse cells back to their embryonic state. These reprogrammed cells are pluripotent, meaning that, like embryonic stem ...

New orangutan population found in Indonesia

(AP) -- Conservationists have discovered a new population of orangutans in a remote, mountainous corner of Indonesia - perhaps as many as 2,000 - giving a rare boost to one of the world's most critically endangered great ...