All Stories
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LifeKiller bees aren’t so smart
Brains are probably not what powers the invasive bee’s takeover from European honeybees
By Susan Milius -
Health & MedicinePCBs hike blood pressure
No one would choose to eat polychlorinated biphenyls, or PCBs — yet we unwittingly do. And a new study finds that the cost of their pervasive contamination of our food supply can be elevated blood pressure, a major risk factor for heart disease.
By Janet Raloff -
LifePenguin DNA evolving faster than thought
Comparing the DNA in modern birds to that in ancient generations shows molecular evolution happens at varying rates, and that each species has its own rate of evolution.
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Health & MedicineHeart attack patients get high radiation dose
Medical imaging can add up to exposure similar to what nuclear power plant workers experience.
By Laura Beil -
EarthPlastics ingredients could make a boy’s play less masculine
Study links boys' fetal phthalate exposure to tendency toward gender-neutral play later on.
By Janet Raloff -
Health & MedicineB vitamin outperforms another drug in keeping arteries clear
The findings led to an early halt of a small study comparing Niaspan and Zetia, two compounds commonly used along with statins to reduce heart attack risk.
By Laura Beil -
Health & MedicineChanging the paradigm around Alzheimer’s disease
Prevention could begin with lifestyle in younger years, one researcher says during the American Public Health Association meeting.
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Health & MedicineChill-out device may protect brain during heart attacks
A portable method to quickly lower body temperature passes safety tests
By Laura Beil -
SpaceMoon crash reveals crater held water
Plume of lunar material contained roughly 25 gallons of vapor and ice.
By Ron Cowen -
PhysicsNew device can use noise to store one bit
Data storage system employs a resonance effect to do work.
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AnthropologyFor Hadza, build and brawn don’t matter for choosing mates
Study of hunter-gatherer community in Tanzania shows that, across human groups, mating criteria vary.
By Bruce Bower -
HumansRecord chills are falling, but in number only
Weather-monitoring stations in the Lower 48 have been logging record daily highs in temperature at twice the pace of record lows. Yet more evidence of climate warming. Many people have pointed to colder than normal winters — or summers — as evidence that global warming is a myth. Climatologists have countered that weather, the meteorological features that we experience at any given hour or day, may show anomalies even as Earth’s overall climate warms. So weather can locally mask the planet’s overall slowly rising fever. Except that any such mask appears to be disappearing throughout most of the United States, according to a new study.
By Janet Raloff