Human biology

Human fetuses turn toward face-like patterns of light projected through their mothers' abdomens.
Nala Rogers, Staff Writer
The implications for human reproduction beyond Earth are unclear.
Joel Shurkin, Contributor
New evidence for how childhood infections could trigger ciliac disease.
Rebecca Boyle, Contributor
Shaving and grooming may create an opportunity for infections to spread.
Brian Owens, Contributor
Everywhere you go, everything you touch, you are surrounded by microscopic germs.
Karin Heineman, ISTV Executive Producer
New insights may help with new treatments for cataracts and other illnesses.
Katharine Gammon, Contributor
New model shows how circulating cancer cells flow and accumulate, and could help with better diagnostics.
Katharine Gammon, Contributor
First blood test to diagnose depression in adults.
Marsha Lewis, Contributing Producer
What makes skin so tough?
Lisa Marie Potter, Contributor
Sex differences in human travel behavior may have evolutionary roots.
Nala Rogers, Contributor
People with more education are more likely to be nearsighted.
Patricia Waldron, Contributor
How to find a bedtime in sync with a child's unique body clock.
Karin Heineman, ISTV Executive Producer