Coral that lives in hotter waters can be crossbred with coral that is threatened by global warming.
Living materials based on bacteria and grown in a Boston lab could point to a greener way of manufacturing.
Drugs applied three hours after infection could protect female monkeys from a type of HIV, U.S. scientists said.
Test could predict - with 90% accuracy - the risk of the disease coming on in the next three years.
A second newborn baby born infected with the AIDS virus has been given a promising but controversial treatment.
The damage - thickening of blood vessel walls - increases risk of heart attacks and strokes in later life.
Major study links wide range of disorders and problems in school-age children to delayed fatherhood.
More than a third of U.S. adults and 17% of youths are obese, rates that haven't changed much in a decade.
Browning meat in the oven, grill or frying pan produces chemicals which may increase risk, researchers suggest.
U.S. doctors are warning of an emerging polio-like disease in California where up to 20 people have been infected.
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