News
- Oceans
Robotic subs reveal thicker Antarctic sea ice
New measurements by robotic subs suggest that scientists have underestimated Antarctic sea ice thickness.
- Physics
Negative mass might not defy Einstein
Repulsive matter could have played a role in the early universe, a computational study finds.
By Andrew Grant - Chemistry
Radioactive fuel turns to goo during nuclear meltdown
Experiments reveal the atomic rearrangements that occur within uranium dioxide when nuclear reactors fail.
By Beth Mole - Archaeology
Barley 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 - Neuroscience
Breathing returns to paralyzed rats
Scar tissue–busting enzyme plus rehabilitation therapy improves respiration long after rats’ initial spinal cord injuries.
By Meghan Rosen - Life
Springs 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 - Neuroscience
Protein production prevents sleep-loss forgetfulness
Boosting levels of certain proteins in mice prevented memory problems associated with sleep deprivation.
- Health & Medicine
Aspirin’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 - Psychology
Right 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.
- Neuroscience
Magnets 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.
- Planetary Science
Two 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.