News
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LifeDNA comparison of identical twins finds no silver bullet for MS
The first study of its kind suggests an unknown environmental cause for multiple sclerosis, but future research could still yield a genetic trigger.
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Health & MedicineVitamin E, diabetes drug may reverse fatty liver disease
Test results in obese people suggest these two treatments may work against cirrhosis precursor.
By Nathan Seppa -
SpaceFrozen asteroid
Scientists publish two new studies showing evidence of ice on object in asteroid belt.
By Ron Cowen -
PaleontologyDinos molted for a new look
In one species, adolescents appear to have sprouted a new type of feathers as they matured.
By Sid Perkins -
Materials ScienceInfection, kill thyself
Scientists devise wound dressings that trick bacteria into suicide.
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HumansVision gets better with the right mind-set
Volunteers’ eyesight improved when they believed that they could see particularly well.
By Bruce Bower -
Health & MedicineBody makes its own morphine
A study in mice suggests other mammals, including humans, can produce the painkiller in their bodies.
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AnimalsChimps may be aware of others’ deaths
Reactions of chimps to dead companions and infants suggest a basic realization of what death entails.
By Bruce Bower -
LifeParadox of dining in deep, wet mud
A bonanza of food doesn’t necessarily result in biodiversity among deep sediment dwellers off California’s coast.
By Susan Milius -
SpaceLife in the sticky lane
Tropical asphalt lake could be analog for extraterrestrial microbial habitat.
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AstronomyHubble’s new instant classic
NASA has released a stunning image of a nearby star-forming region to celebrate the telescope's 20th birthday.
By Ron Cowen -
EarthEmerging Northwest fungal disease develops virulent Oregon strain
Uncommon but sometimes fatal infections of the lung or brain can show up months after someone inhales spores.
By Susan Milius