News
- Health & Medicine
Smoking hurts teen girls’ bones
Adolescents who use cigarettes seem to accumulate less bone mineral than those who don’t.
- Life
Contender for world’s oldest dinosaur identified
An African specimen suggests the lineage may have arisen 15 million years earlier than thought.
- Astronomy
Voyager crossing superhighway to solar system exit
The latest milestone in a 35-year journey may signal an impending passage to interstellar space.
- Life
Among bass, easiest to catch are best dads
Recreational fishing may be inadvertent evolutionary force, favoring cautious fish over better caretakers of the young.
- Life
Gut bacteria may affect cardiovascular risk
An abundance of antioxidant-producing microbes seems to keep plaques from breaking free and causing heart attacks and stroke.
- Planetary Science
Mars rover deploys final instrument
Soil analysis finds organic compounds of uncertain origin.
- Humans
Help Wanted: Must play well with high-powered coworkers
Leisure activities make or break job applicants at major banking, legal and consulting outfits.
- Life
Immune disease an added blow to fungus-ridden bat populations
Rare immune complication previously seen only in people devastates animals that had appeared to evade white nose syndrome.
- Space
First rock from the sun turns out to have ice
Frozen material at the planet’s poles likely came from comet or asteroid impacts.
- Health & Medicine
Simulated brain mimics human quirks
Model representing 2.5 million neurons performs calculations, issues instructions for a behavior, and then expands its decision into action.
- Earth
Grand Canyon could be much older than thought
Disputed dating of rock erosion pegs the ancient chasm as 70 million years old.
- Earth
Shrinking polar ice caused one-fifth of sea level rise
Comprehensive analysis quantifies ice sheet loss in Greenland and Antarctica.
