News
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Good Buzz: Tiny vibrations may limit fat-cell formation
Mice that spend time on a mildly vibrating platform develop bone or muscle cells in preference to fat cells.
By Nathan Seppa -
TechCatch a Wave: Carbon nanotubes go wireless
Despite all the hubbub about carbon nanotubes as possible building blocks of superstrong materials or as components of supersmall electronics, few practical applications have yet come to fruition. Integrating nanotubes into functioning electronic devices has proved especially difficult, but researchers have now built a carbon-nanotube component into a simple radio receiver. TINY RADIO. A single […]
By Sarah Webb -
PaleontologyDigging the Scene: Dinos burrowed, built dens
Dinosaurs remains fossilized within an ancient burrow are the first indisputable evidence that some dinosaurs maintained an underground lifestyle.
By Sid Perkins -
Health & MedicineHIV-positive people getting heavier
With drug treatment, HIV-infected people no longer suffer from wasting but are about as overweight or obese as the U.S. population as a whole.
By Brian Vastag -
Health & Medicine‘Knuckle fever’ reaches Italy
A virus that causes debilitating fever and joint pain has spread from Africa to Italy, where it has caused at least 284 cases of illness.
By Brian Vastag -
Health & MedicineTwice bitten
Repeat episodes of Lyme disease are more likely caused by a second tick bite rather than by a return of the original illness.
By Brian Vastag -
Health & MedicineUlcer bug may prevent asthma
Children whose stomachs carry the bacterium Helicobacter pylori are at lower risk for asthma than children who don't have the bug.
By Brian Vastag -
HumansMath clubs get national sponsor
A math group is offering all U.S. middle schools free materials to set up clubs aimed at making math fun.
By Janet Raloff -
Stored blood loses some of its punch
Loss of nitric oxide from donated blood that's been stored for as little as 3 hours could impair its ability to flow through a recipient's blood vessels.
By Nathan Seppa -
Materials SciencePolymer could improve natural gas purification
A new polymer membrane that efficiently separates carbon dioxide from methane could greatly ease the processing of natural gas.
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AstronomyRecord-breaking supernova
A newly discovered supernova, 100 billion times as bright as the sun, is the most luminous ever recorded.
By Ron Cowen -
Health & MedicineLooking for Biomarkers: Protein signature may warn of impending Alzheimer’s disease
Measuring the amounts of certain proteins in the blood might provide early warning of Alzheimer's disease.
By Nathan Seppa