Study of Toba/Qom in Argentina highlights effect of artificial lights on sleep patterns.
It wasn’t sanitation that spread the disease.
Research provides food for thought.
In whales -- and in humans -- older females seem to offer a special benefit to groups.
Researchers identify a method to prevent chemotherapy from wreaking havoc on healthy cells.
Retroviruses joined the human genome long ago; their effects are not yet clear.
Natural sleep patterns can greatly impact athletic success.
A special protein enhances sleep’s healing power and speeds flu recovery.
How nodding your head in sync with a group could increase your productivity.
Autonomy sometimes makes workers less happy and less productive.