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Human biology

Researchers found a "ghost population" that interbred with the ancestors of modern humans.

Charles Q. Choi, Contributor

New study of hearts from apes and humans shows that people need to be active to have healthy hearts.

Chris Gorski, Editor

Composite image shows skull on right and the reconstructed face of a human ancestor on the left.

Nearly complete skull of Australopithecus anamensis found in Ethiopia.

Charles Q. Choi, Contributor

A tiny device has potential to have a big impact on millions suffering breathing problems.

Karin Heineman, Executive Producer

Mixtures of chemical pollutants may harm people and wildlife, even when each chemical is below its regulatory threshold.

Nala Rogers, Staff Writer

A study that compares the multitasking abilities of awake sleepwalkers and non-sleepwalkers provides insights into the nature of awareness.

Peter Gwynne, Contributor

Picture of a werewolf, a vampire and a zombie

These real medical conditions carry uncanny echoes of our monster legends.

Abigail Malate, Staff Illustrator

How an early bird grandmother helped prove that Nobel Prize-winning fruit fly research matters for human health.

Nala Rogers, Staff Writer

French researchers find that individuals can learn new information fed to them during certain phases of sleep.

Peter Gwynne, Contributor

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