News
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Health & MedicineSauna use among dads linked to tumors in children
Men who expose themselves to excessive heat in the weeks before they conceive children may place their future offspring at unnecessary risk of brain cancer.
By Ben Harder -
AstronomyCosmic bigness
Astronomers have found the largest structures ever discovered in the universe.
By Ron Cowen -
Materials ScienceLogos to Go: Hydrogel coatings provide removable color
A biodegradable coating could add a temporary splash of color to sports fields, buildings, or even people's bodies.
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Health & MedicineOrigins of Ache: Immune proteins may yield chronic-pain clues
People with chronic pain that has no underlying disease have low concentrations of proteins in the cytokine family that restrain inflammation.
By Nathan Seppa -
ChemistryTricky Transformation: Bubbling gases tighten, then loosen, the grip of novel molecules on grime
New compounds make oil mix with water, or not, depending simply on which gases are bubbled through the water.
By Peter Weiss -
AnthropologyEvolution’s DNA Difference: Noncoding gene tied to origin of human brain
Investigators have discovered a gene that shows signs of having evolved rapidly in people and of having made a substantial contribution to the emergence of a uniquely human brain.
By Bruce Bower -
EarthHoly Smoke: Burning incense, candles pollute air in churches
Incense and candles release substantial quantities of pollutants that may harm health.
By Ben Harder -
Health & MedicineFewer Drugs, Same Outcome: Simpler HIV regimens are effective
In two studies, AIDS clinicians found that standard three-drug regimens fight HIV as well as four-drug treatments do, and that a single drug might maintain a patient's health once the virus is suppressed.
By Eric Jaffe -
AstronomyNew Solar System? Twelve planets and counting (Updated)
According to a new proposal, the solar system has 12 planets instead of the familiar 9, with several dozen more to come.
By Ron Cowen -
ChemistryMulch matters
Mulch made from recycled construction and demolition wood can release arsenic into the environment.
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EarthGrand Canyon fish seem to be rebounding
The population of humpback chub, an endangered fish found only in the Colorado River and its tributaries, may be stabilizing in some sections of the Grand Canyon.
By Sid Perkins -
AnimalsSeabirds take record summer vacations
Sooty shearwaters that breed in New Zealand have set a new record for off-season travel, covering 64,000 kilometers between visits to their mating ground.
By Susan Milius