News
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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 -
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 & 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 -
Unsticking Spirit
Efforts to extract the Mars rover from a sandpit will start November 16, but success is uncertain.
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EcosystemsImpatiens plants are more patient with siblings
Streamside wildflower holds back on leaf competition when roots meet close kin
By Susan Milius -
LifeNewborn cells clear space in brain’s memory-maker
Rodent study offers first evidence that neurogenesis clears old memories in key part of the brain to make way for new ones.