Scientists make embryos with DNA from 3 people
British scientists say they have created human embryos containing DNA from two women and a man in a procedure that researchers hope might be used one day to produce embryos free of inherited diseases. rssfeeds.usatoday.com
Coral Reefs and What Ruins Them
Researchers who studied a string of Pacific Ocean atolls are painting the first detailed picture of pristine coral reefs. nytimes.com