News
- Life
Average bear could be pretty smart
Computer tests of solitary species reveal animals’ ability to learn concepts.
- Astronomy
Black hole’s annual feast begins
Astronomers offer explanations for source of light around object with an unusual yearly behavior.
- Life
Kick in the gut may lead to IBD
Short-term infection could create conditions for long-term intestinal illness, a study suggests.
- Humans
Language family may have Anatolian origins
Major language family started in Anatolia 8,000 years ago or more, a contentious analysis concludes.
- Health & Medicine
Tattoo rashes linked to ink
Tainted supplies caused outbreak of stubborn bacterial skin infections.
- Life
Antibiotics linked to fat buildup
Research in mice implicates changes in gut microbe mix; study in infants finds excess weight gain after use of the drugs.
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- Earth
Nanosized pollutants pose crop risks
Nanoparticles in exhaust and common consumer products can end up in soil and harm the growth and health of crops.
- Humans
Gene may boost effects of peer pressure
DNA trait linked to tendency to be affected by high or low levels of alcohol and cigarette use in high school.
- Health & Medicine
Ovulation spurred by newfound semen ingredient
A common growth-boosting protein may act as a pregnancy-protecting hormone in humans.
- Life
Unusual virus may tie snakes in knots
Captive snakes with a fatal disease harbor viruses never before seen in reptiles.
- Chemistry
Supersmall lab-on-a-chip is superfast
Two-chamber nanowire device that quickly finds diagnostic molecules in blood could be a lifesaver.
