News
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Health & MedicineDarkness, melatonin may stall breast and prostate cancers
New studies suggest strong links between melatonin and breast and prostate cancers.
By Janet Raloff -
EcosystemsPacific Northwest salmon poisoning killer whales
A protected population of resident orcas around Vancouver Island and Puget Sound is the planet’s most PCB-contaminated mammals, says one researcher.
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LifeEveryday tree deaths have doubled
In past 50 years, apparently healthy forests have started losing trees faster, possibly because of climate change.
By Susan Milius -
Quantum PhysicsQuantum information teleported between distant atoms
A team is the first to transfer a qubit, which contains quantum information, from one atom to another, a feat that could aid quantum computing and secure communication.
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LifeAs cells age, the nucleus lets the bad guys in
A study tracks a growing 'leakiness' in the membrane of the cell nucleus that could contribute to aging and even to diseases such as Parkinson's and Alzheimer's.
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HumansLife expectancy up when cities clean the air
Study shows people live longer after fine-particulate air pollution is reduced.
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LifeThree deep-sea fish families now one
Male and young whalefish look so different from females that scientists had mistakenly put them all in different families.
By Susan Milius -
EarthAntarctica is getting warmer too
Satellite data show most of the continent is following worldwide trend.
By Sid Perkins -
Health & MedicineEasygoing, social people may get dementia less often
Don’t worry, be happy: People who are largely unstressed by mundane events seem less likely to develop dementia in old age than people who sweat the small stuff.
By Nathan Seppa -
EarthClearing some air over warming in Europe
A decline in fog and haze clears the air but also fuels 20 percent of the warming in Europe, a new study concludes.
By Sid Perkins -
EarthTop of Everest is an ozone overdose
Wafts from lower atmosphere, polluted regions bathe the peak in amounts that exceed EPA limits.
By Sid Perkins -
Health & MedicineEpigenetics reveals unexpected, and some identical, results
One study finds tissue-specific methylation signatures in the genome; another a similarity between identical twins in DNA’s chemical tagging.