Experts examine relationships between flu strains for answers.
Technology for the blind triggers unexpected brain activity.
Neanderthal traces appear in genes for hair and skin.
Scientists locate body regions where emotions spark a response.
Bacterial infusions can heal gut microbe imbalances.
Sharing space with bacteria leaves plenty of room for change.
Is our family tree due for a pruning?
Stem cell mini-brains reveal how brain regions organize.
New intravenous vaccine prevents malaria in first tests.
In a Chinese quarry, scientists discover the oldest known fossil primate skeleton.