News
- Humans
Inca takeovers not usually hostile
Skeletal evidence suggests that war was not the answer for Inca imperialists.
- Life
Heart disease has its own clock
Disrupting circadian rhythms in mouse blood vessels hardens arteries, suggesting that timing malfunctions in organs may cause disease.
- Chemistry
Unusual crystal patterns win chemistry Nobel
First rejected as impossible, the discovery that atoms can pack in subtly varied patterns forced revisions of fundamental concepts.
- Humans
Surf zone study earns young scientist first place
Top winners selected from 30 finalists who traveled to Washington, D.C., to compete in the inaugural Broadcom MASTERS program for middle school students.
- Space
Miniplanet sports megapeak
The solar system’s second tallest mountain hides out in a crater at the south pole of the asteroid Vesta.
- Life
Biomarker for Huntington’s disease identified
A gene called H2AFY may provide scientists with a way to measure the condition’s progression and whether a treatment is having a biological effect.
- Space
Cosmic acceleration discovery wins physics Nobel
Three astrophysicists are honored for revealing the universe's accelerating expansion.
- Space
Antennas reveal Antennae
A giant radio telescope array in Chile’s Atacama Desert produces its first images.
- Earth
Arctic ozone loss in 2011 unprecedented
Report describes a ‘hole’ comparable to conditions observed over Antarctica during the mid-1980s.
- Life
2011 medicine Nobel goes to immunology researchers
The prize in physiology or medicine recognizes scientists for their work on the body's innate and adaptive defenses against invading pathogens.
- Space
Longer cosmic ruler based on black holes
A new method promises to improve the precision of extreme astronomical distance measurements.
- Psychology
Teen daters pal up to the bottle
Buddies of boyfriends and girlfriends push teens toward or away from booze.
