News
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LifeCancer drug may have Alzheimer’s benefits
Medication helps the brain clear a plaque-forming protein associated with dementia.
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Health & MedicineTai chi helps Parkinson’s patients balance
The controlled movement of the Chinese martial art can improve patients' coordination and limit falls, a study finds.
By Nathan Seppa -
EarthBPA fosters diabetes-promoting changes
Exposures typical of the general public are enough to alter insulin secretion.
By Janet Raloff -
SpaceProposed type of solar neutrino spotted
The existence of these long-sought particles confirms theories about the fusion reactions that power the sun.
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HumansNumbers warn of looming collapses
Mathematical tools help researchers predict when systems are about to change dramatically.
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AnimalsClassic sooty-moth tale bolstered by new results
A scientist’s six-year backyard experiment strengthens the scenario for evolutionary changes due to industrial pollution.
By Susan Milius -
LifeOcean noise is a whale of a stressor
The post-9/11 quiet in Atlantic shipping lanes calmed the biggest marine mammals, hormone measurements suggest.
By Devin Powell -
LifeHow a stomach bug may ward off asthma
An ulcer- and cancer-causing bacterium may protect against the airway disease by influencing key players in inflammation.
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ChemistryTaste of fructose revs up metabolism
The pancreas pumps more insulin in response to the sugar, potentially throwing the body’s energy-storage machinery out of whack.
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AnimalsChimps lend a hand
The finding suggests nonhuman primates recognize their peers’ intentions and desires.
By Bruce Bower -
EarthLittle Ice Age began with a bang
Frozen moss suggests climate cooling kicked off fast, possibly with help from volcanic eruptions.
By Devin Powell