All Stories
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SpaceCentral star is no dim bulb
Observing the dusty center of the Milky Way, astronomers have the second brightest star known in the galaxy
By Ron Cowen -
Health & MedicineAsthma oddity
Helicobacter pylori, a common microbe that colonizes the stomach, might protect against asthma.
By Nathan Seppa -
LifeYoung tasmanian devil moms
Tasmanian devils have started mating much earlier in response to an epidemic, called facial tumor disease, that is wiping out much of their population.
By Tia Ghose -
ChemistryThe Goop in Our Air
Emerging data indicate that tiny and toxic particles polluting urban air chemically morph from hour by hour, depending on what other pollutants these particles encounter during journeys that can run hundreds of miles.
By Janet Raloff -
Health & MedicineThe two faces of prion proteins
Scientists are learning more about the protein behind mad cow and Creutzfeldt-Jakob disease, including how to interfere with the protein’s production in the brains of mice.
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ClimateAnother climate ailment
Global warming may turn out to be more than just a pain in the neck: Rising average temperatures could trigger an increased prevalence of kidney stones.
By Sid Perkins -
SpaceSaturn’s moon may host an ocean
The Cassini spacecraft has found what may be the strongest evidence yet that Saturn's tiny moon Enceladus has an ocean beneath its icy surface.
By Ron Cowen -
ChemistryCO2: Only One Flavor
Federal climate policymakers should have a grounding in basic chemistry.
By Janet Raloff -
Health & MedicineOne Downside to Sushi
Uncooked fish can host detectable concentrations of potentially toxic chemicals — pollutants that cooking can make disappear,
By Janet Raloff -
Materials ScienceSolar panels to dye for
Scientists show that cheap chemical dyes may one day help with the efficient capture of the sun's energy
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HumansToxic yes: Toxins? No
Yet another news story baits us with the promise of reading about noxious toxins – and doesn't deliver.
By Janet Raloff -
LifeAstrocytes are rising stars
Astrocytes, brain cells previously thought to be support cells for neurons, regulate blood flow in the brain and may aid neuron signaling. The regulation of blood flow makes visualizing brain activity with fMRI possible.