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AstronomyExplosive News: Telescopes find signs of gentler gamma-ray bursts
Astronomers appear to have discovered an unexpected population of low-energy gamma-ray bursts, and they could be 10 times more numerous than previously-known higher-energy bursts.
By Ron Cowen -
Health & MedicineStopping Alzheimer’s: Antibody thwarts disease in mice
Antibodies against amyloid protein, which gums up the brains of Alzheimer's patients, reverse a form of the disease in mice.
By Nathan Seppa -
EarthTwin satellites track water’s rise and fall
A pair of satellites launched in 2002 has detected small, regional changes in Earth's gravitational field that are caused by seasonal variations in rainfall and soil moisture.
By Sid Perkins -
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Speaking as someone with a Ph.D.