News
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OceansRobotic subs reveal thicker Antarctic sea ice
New measurements by robotic subs suggest that scientists have underestimated Antarctic sea ice thickness.
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PhysicsNegative mass might not defy Einstein
Repulsive matter could have played a role in the early universe, a computational study finds.
By Andrew Grant -
ChemistryRadioactive fuel turns to goo during nuclear meltdown
Experiments reveal the atomic rearrangements that occur within uranium dioxide when nuclear reactors fail.
By Beth Mole -
ArchaeologyBarley elevated Central Asian farmers to ‘the roof of the world’
Hardy western crops allowed villagers to settle in the cold, thin air atop the Tibetan Plateau.
By Bruce Bower -
NeuroscienceBreathing returns to paralyzed rats
Scar tissue–busting enzyme plus rehabilitation therapy improves respiration long after rats’ initial spinal cord injuries.
By Meghan Rosen -
LifeSprings bring gecko stickiness to human scale
Springs of a stretchy alloy let gecko-inspired adhesives work at human scales to climb glass walls or grab space junk.
By Susan Milius -
NeuroscienceProtein production prevents sleep-loss forgetfulness
Boosting levels of certain proteins in mice prevented memory problems associated with sleep deprivation.
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Health & MedicineAspirin’s heart benefits not a slam dunk
No survival gain found in people age 60 and over who took daily dose of aspirin.
By Nathan Seppa -
PsychologyRight questions could help spot devious air passengers
Training airport security agents to ask detail-oriented questions of travelers may help unmask liars.
By Bruce Bower -
Neuroscience‘Bath salts’ reduce communication in rat brains
The recreational drugs known as bath salts cause a loss of communication between areas in the rat brain.
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NeuroscienceMagnets in helmets might make football safer
The repulsive force of magnets in football helmets could slow the impact of collisions, reducing concussion danger and making the game safer.
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Planetary ScienceTwo travelers from far beyond Neptune return home
Two bodies approaching from the edge of the solar system may have been tossed out there by Jupiter over 4 billion years ago.