News
- Tech
Lasers heal damaged rodent teeth
Handheld laser spurs stem cells into action, regrowing dentin in drilled teeth.
- Archaeology
First pants worn by horse riders 3,000 years ago
A new study indicates horse-riding Asians wove and wore wool trousers by around 3,000 years ago.
- Animals
Reef fish get riled when intruders glow red
A male fairy wrasse gets feisty when he can see a rival’s colorful fluorescent patches.
- Climate
Violent storms may shatter sea ice
Tall waves’ effect on sea ice hints at troubled water in the future.
- Particle Physics
Proton’s magnetic properties pinned down
A precise measurement of a proton’s magnetic properties could help reveal subtle differences between matter and antimatter.
- Life
Starchy foods more filling than fiber, lab tests suggest
Tests of gut microbe digestion of potato starch and fiber suggest that moving away from grass-heavy ancestral diets may not be the reason for obesity epidemic.
- Life
Drab female birds had more colorful evolution
Males weren’t the main players in evolution of sex differences in avian plumage.
- Astronomy
Sun shines new life on Kepler space telescope
NASA approved a proposal to bring the crippled Kepler spacecraft back to life, using sunlight as balance to help the telescope search for planets and more.
- Psychology
Recessions take a lasting toll on narcissism
Coming of age in hard economic times makes people less likely to feel superior and entitled later in life.
- Neuroscience
Life span lengthens when mice feel less pain
When rodents are missing a sensory protein, their metabolism revs up and they live longer.
- Cosmology
Dustup emerges over gravitational waves discovery
While cosmologists wait for data from Planck satellite, some worry that BICEP2 data actually come from our galaxy.
- Life
In a surprise find, placentas harbor bacteria
Mouth bacteria make their way to the placenta. Some mixes may trigger premature birth.
