Humans
-
Health & MedicineGiving the brain a hand
PROFILE: Scientist Kristen Brennand uses stem cells to understand brain disorders.
By Susan Gaidos -
GeneticsYour inner Neandertal
New study finds some DNA in modern humans was passed down from Neandertals.
-
Health & MedicineA pepper part that burns fat
Study finds that dihydrocapsiate may give a diet extra power.
-
Health & MedicineThe mercury in that tuna
Pinning down how much of the poison is in the fish we buy.
-
HumansA louse-y start for clothing
A date for appearance of body lice suggests time of first clothes.
-
Health & MedicineWhat the appendix is good for
Some body parts seem pointless but in fact have purpose.
By Emily Sohn -
-
Health & MedicineMaking light of sleep
Teens are prone to sleep problems, but a little sunshine could help.
By Susan Gaidos -
-
-
Health & MedicineGot milk? How?
Scientists are tracking down the first people who squeezed this nutritious liquid out of animals thousands of years ago.
By Emily Sohn -
Health & MedicineDrugs and zzzzzz’s
People who take the drug ecstasy are more likely to suffer from a sleeping disorder.