Why can't some teens resist taking risks?
Mood disorders are linked to disturbances of circadian rhythms.
DNA analysis reveals a new—and deadly—strain of flu.
Scientists decode large parts of the Neanderthal genome.
Genetically speaking, how close are we to Neanderthals?
A bacterial DNA sequencing project uncovers the diversity of microbes in humans.
Skin cells become brain cells in a petri dish.
The human genome can tell us the number of people that lived long ago.
A powerful imaging technique may see early nascent brain damage from Lyme disease.
Scientists are finding biological influences on obesity.