News
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EarthStill Standing: Tsunamis won’t wash away Maldives atolls
The December 2004 tsunami had little geological impact on the seemingly fragile coral-reef islands of the Maldives archipelago.
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Health & MedicineDefect Detector: Plugging holes in a breast cancer–gene screen
A genetic test not available in the United States catches many potentially cancer-causing BRCA-gene mutations not detected by the sole U.S. test.
By Nathan Seppa -
PlantsReality Botany: Data ease doubts about plant species
Despite the doubts of some botanists, plant species aren't just some arbitrary human classification scheme, says a team of evolutionary biologists.
By Susan Milius -
Mood Meds’ Second Wind: Depression drugs aided by extra treatment step
A second, modified course of drug treatment fosters recovery in a substantial minority of depressed adults who don't feel better after treatment with a commonly prescribed antidepressant.
By Bruce Bower -
EarthTiny Bubbles: Oldest evidence yet for methane makers
Analyses of the gases dissolved in water trapped in ancient minerals suggest that methane-generating microbes have been around almost 3.5 billion years.
By Sid Perkins -
Nonstick chemicals upset behavior
A study in mice finds that early-life exposure to the fluorinated chemicals used in nonstick products can rewire the brain in ways that dramatically affect behavior.
By Janet Raloff -
ChemistryDrinking increases skin’s permeability
Drinking alcohol can greatly compromise the skin's barrier to chemicals.
By Janet Raloff -
EarthLeaden streets
Street grit is the probable source of lead in urban homes, and flaking paint from overpasses and bridges is a major contributor.
By Janet Raloff -
Health & MedicineMoldy whiff kills brain cells
A common black mold that blooms on moist cellulose-based materials produces a toxin that can kill certain brain cells.
By Janet Raloff -
ChemistryBusted bonds
The tenacious bonds between two carbon atoms can be broken in a surprisingly simple process.
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AnthropologyCapuchins resist inbreeding chances
Wild capuchin monkeys manage to avoid inbreeding, despite rampant opportunities for high-status fathers to mate with their grown daughters.
By Bruce Bower -
AstronomyGlassy galaxies
Astronomers have found clouds of sand crystals resembling crushed glass around 21 infrared-bright galaxies.
By Ron Cowen