News
- Anthropology
Numbers beyond words
New research with Amazonian villagers suggests that their language lacks number words but that they still comprehend precise quantities of objects.
- Health & Medicine
Wishful thinking
Male athletes who think they are getting growth hormone claim to feel better and score higher in a jumping test while on a placebo.
- Health & Medicine
Where funny faces come from
Making a face might have helped human ancestors survive.
- Health & Medicine
Girl athletes’ energy crisis
Lack of regular periods in teenage female athletes stems from a hormone imbalance arising from inadequate energy intake.
- Animals
Squeaky chimp sex, or not
Female chimps tend toward silent sex when the other girls could overhear.
- Space
Rocky cores form first
A theorist says new extrasolar findings prove that the standard model of planet formation is correct.
- Health & Medicine
Cooking cancer cells
A new technique combining antibodies, carbon nanotubes and near-infrared light holds promise for treating malignancies, scientists report.
- Archaeology
Green reapers
Agriculture's rise sparked widespread use of green stone beads as fertility charms and as protection against supernatural forces, scientists propose.
- Planetary Science
Surprise found in comet dust
Scientists find an odd mineral that could offer clues to the solar system's origins.
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- Health & Medicine
Good news for coffeeholics
When lifestyle factors like smoking were taken into account, coffee drinkers had lower death rates than their non-drinking peers, according to a study of more than 120,000 people.
- Health & Medicine
Keep at it
Moderate exercise can extend survival for overweight and obese men who have diabetes.
