News
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LifeSmall part of brain itching for a fight
A cluster of cells compels aggressive behavior in mice.
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LifeBuried microbes coax energy from rock
In experiments, microorganisms can stimulate minerals to produce hydrogen, a key fuel for growth in a thriving subterranean world.
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HumansAdaptive no more
A potential benefit in prehistoric lean times, genetic variant may increase risk of gestational diabetes today.
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Health & MedicineAllergic to cancer
Having an overactive immune system may protect against certain types of brain tumor, a study suggests.
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SpaceThe sun, captured from all the angles
NASA reveals the first 360-degree panorama of the sun, which should enable early detection of potentially damaging solar storms.
By Ron Cowen -
EarthExtinctions breed carbon chaos
Massive die-off left ecosystems vulnerable, an analysis suggests.
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AstronomySupernova to superfluid
Neutron stars, some of the densest objects in the universe, may be cooled by frictionless liquid sloshing in their cores.
By Devin Powell -
LifeRunning a cancer roadblock
A new study shows how cells escaping from a breast tumor overcome a piece of RNA that usually stops them.
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SpaceFirst stars may still shine
Simulations suggest some slow-burning remnants of the early universe may still exist.
By Ron Cowen -
HumansRunning past Neandertals
Stone Age humans’ heel bones, more so than those of Neandertals, aided long-distance running.
By Bruce Bower -
PhysicsX-raying life’s microscopic machinery
A powerful new laser technique promises to reveal the cell’s molecular components in detailed, 3-D images.
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Health & MedicineNo flu vaccine link to Guillain-Barré syndrome found
A massive study of millions of people in China finds no association between receiving the 2009 H1N1 immunization and developing the rare nervous system disorder.
By Nathan Seppa