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.
Understanding viral links to cancer aids prevention and treatment.
Scientists are finding biological influences on obesity.
People with Williams Syndrome are fearlessly, impulsively social. Brain scans are revealing why.
Ardipithecus ramidus lived long before Lucy—and moved in quite a different way.
Huge genetic studies are making sense of human ancestry across the globe.