Uncategorized
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AnthropologyNumbers beyond words
New research with Amazonian villagers suggests that their language lacks number words but that they still comprehend precise quantities of objects.
By Bruce Bower -
Health & MedicineWishful 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.
By Nathan Seppa -
Health & MedicineWhere funny faces come from
Making a face might have helped human ancestors survive.
By Amy Maxmen -
Health & MedicineGirl athletes’ energy crisis
Lack of regular periods in teenage female athletes stems from a hormone imbalance arising from inadequate energy intake.
By Nathan Seppa -
AnimalsSqueaky chimp sex, or not
Female chimps tend toward silent sex when the other girls could overhear.
By Susan Milius -
SpaceRocky cores form first
A theorist says new extrasolar findings prove that the standard model of planet formation is correct.
By Ron Cowen -
Health & MedicineCooking cancer cells
A new technique combining antibodies, carbon nanotubes and near-infrared light holds promise for treating malignancies, scientists report.
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ArchaeologyGreen reapers
Agriculture's rise sparked widespread use of green stone beads as fertility charms and as protection against supernatural forces, scientists propose.
By Bruce Bower -
Planetary ScienceSurprise found in comet dust
Scientists find an odd mineral that could offer clues to the solar system's origins.
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LifeWine find
Cell tests suggest that resveratrol, the substance that seems to account for the healthful effects of red wine, might have antiobesity effects, too.
By Nathan Seppa -
Health & MedicineGood 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.
By Tia Ghose -
Health & MedicineKeep at it
Moderate exercise can extend survival for overweight and obese men who have diabetes.
By Nathan Seppa