Uncategorized
- Astronomy
Pulsar pulverizes an asteroid
The steady beat of a pulsar may occasionally be interrupted by collisions with asteroids.
- Health & Medicine
Camels in Saudi Arabia teeming with MERS virus
Three-quarters of animals tested had signs of the MERS virus, which can be deadly in people.
- Health & Medicine
Acetaminophen use in pregnancy linked to kids’ slightly higher risk of ADHD
A large analysis shows an association between acetaminophen use in pregnancy and slightly higher risks of ADHD, but it does not prove the pain reliever causes the disorder.
- Health & Medicine
Urine test detects not pregnancy but cancer
A paper strip uses nanoparticles to pick up evidence of tumors or blood clots in mice.
- Animals
A tiny ocean vortex, with pop art pizzazz
Coral polyps kick up a whirling vortex of water by whipping their hairlike cilia back and forth in the photography winner of the 2013 International Science & Engineering Visualization Challenge.
- Psychology
Beatles reaction puzzles even psychologists
From the February 29, 1964, issue: Psychologists are as puzzled as parents over the explosive effect the Beatles are having on American teen-agers.
- Particle Physics
Catching Particle Fever
Interspersed with the plot of Particle Fever are artful explanatory animations and commentary by six articulate physicists. Through these characters, we learn that the Higgs is a stepping stone toward a deeper understanding of the universe.
- Quantum Physics
Quantum timekeeping
Recent advances in controlling the quantum behavior of particles have inspired physicists to dream of a global clock that would tell the same time everywhere. It would be hundreds of times as accurate as current atomic clocks.
- Tech
Creature power
Biological fuel cells that generate electricity by harnessing sugars and oxygen in the body may one day power implanted devices in humans and other animals.
- Environment
Legionnaires’ disease bacteria lurk in tap water
Found in nearly half of faucets, contamination could explain sporadic cases of disease.
- Materials Science
Making artificial muscles with a spin
Scientists have given ordinary fishing line and sewing thread a new twist. When coiled into tight corkscrews, the fibers can lift loads more than 100 times as heavy as those hefted by human muscles.
- Neuroscience
Like people, dogs have brain areas that respond to voices
MRI study may help explain how pups understand human communication.
