News
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PhysicsNewton’s Dusty Mirror: Old experiment inspires ultrafast imaging
An experiment devised by Isaac Newton inspires a modern successor, in which X rays capture the image of a microscopic explosion.
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Bad News, Good News: ADHD-risk gene has silver lining
A gene variant that increases the risk for attention deficit-hyperactivity disorder in young children also helps the problem resolve by the teen years.
By Brian Vastag -
EarthDrug Overflow: Pharmaceutical factories foul waters in India
A treatment plant in India that processes waste from drug factories feeds enormous amounts of antibiotics and other drugs into local waterways.
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Health & MedicineNerve Link: Alzheimer’s suspect shows up in glaucoma
Amyloid-beta, the protein fragment implicated in Alzheimer's disease, may also play a role in glaucoma.
By Nathan Seppa -
EarthBad for Baby: New risks found for plastic constituent
Early exposure to bisphenol A, a building block of polycarbonate plastics, can trigger a variety of later health problems.
By Janet Raloff -
AnimalsFerrets Gone Wild: Reintroduced animals coming back in Wyoming
A Wyoming population of endangered black-footed ferrets, started from captive-bred animals, has survived difficulties and is doing well.
By Susan Milius -
Health & MedicineSkeletal Discovery: Bone cells affect metabolism
A protein made by bone cells has a surprising influence on energy metabolism, and could have a role in treating diabetes.
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Health & MedicineSerotonin lower in shift workers
Workers who rotate between day and night shifts have less of the brain chemical serotonin than day shift workers do.
By Brian Vastag -
EarthBeware summer radon-test results
Measuring household radon levels in summer may give misleadingly low results.
By Janet Raloff -
AstronomyVeiled black holes
Many X ray sources in the sky could be active galactic nuclei smothered by gas and dust that blocks their emission of visible and ultraviolet light.
By Ron Cowen -
Materials SciencePliable carbon
The layers of carbon atoms that form graphite can be assembled into strong but flexible "graphene paper."
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Health & MedicineCT heart scans: Risk climbs as age at screening falls
CT scans are increasingly used to investigate heart blockages, but their X rays can increase cancer risk.
By Janet Raloff