Humans
- Health & Medicine
The chemistry of sleeplessness
A brain chemical may help people stay awake even when they are really, really tired.
- Health & Medicine
Ear pain, weight gain
Scientists have found a link between frequent childhood ear infections and obesity later in life.
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- Health & Medicine
Yummy bugs
Eating insects is a common practice in most places, at least outside of the United States and Europe.
- Health & Medicine
Hey batter, wake up!
Baseball teams that travel across the country may be at a disadvantage when they play.
- Humans
Fakes in the museum
A close-up examination of crystal skulls reveals the true, recent origins of these "relics"
- Health & Medicine
Gut microbes and weight
A new report links a baby's gut microbes with the chance that the baby will become an overweight child.
- Health & Medicine
Foul play?
Genetic differences may affect the results of tests given to athletes to see if they have been taking performance-enhancing drugs.
- Health & Medicine
Recipe for health
Obesity is on the rise, but there are plenty of things you can do to maintain a healthy weight.
- Health & Medicine
Blood goes stale—and fairly quickly
Doctors have long thought it safe to store donated blood for up to 42 days, but some patients do better when the blood they receive is fewer than 14 days old.
- Health & Medicine
Mind-reading machine
Researchers have used brain scans to measure how the brain "sees" pictures—and to try to predict what a person is looking at.
- Chemistry
Explainer: What are oxidants and antioxidants?
Certain chemicals, including many in foods, fight chemical reactions that could harm cells in the body and in wildlife.
