News
- Health & Medicine
Military combat marks the brain
Regions involved in memory and attention changed after soldiers' deployment, though most eventually returned to their pre-combat state.
- Space
Another potentially habitable world emerges
The newfound planet orbits a common type of dwarf star, suggesting even more may be out there.
- Chemistry
Big jobs go to loyal proteins
Cells offload much of their nonessential work on enzymes that juggle a number of tasks.
- Humans
DNA unveils enigmatic Denisovans
Technical advances amplify the genetic record of a Stone Age humanlike population, ancestors of modern Melanesians.
- Space
Stars’ missing elements could signal lurking small planets
The sun's chemistry suggests some good other places to hunt for rocky orbs.
- Health & Medicine
Low-cal longevity questioned
Limited food intake in rhesus monkeys fails to extend the animals’ survival, in a departure from earlier reports.
- Health & Medicine
Brain learns while you snooze
Mind can make associations between smells and sounds during sleep.
- Humans
Young scientists make the cut
With the naming of the 30 finalists, middle school students will vie for top prize in national Broadcom MASTERS competition.
- Space
Exoplanet pair orbits two stars
The Kepler spacecraft catches two exoplanets around a binary star system, with one planet in the habitable zone.
- Earth
Arctic sea ice hits record low, and keeps going
A summer storm and thinner ice probably contributed to this year’s massive melt.
- Tech
Unmixing oil and water
A new filter that separates the two substances only using gravity could help clean oil spills.
- Health & Medicine
Infrared light offers promise of laser-sharp cancer therapy
Laser technique targets tumors with reduced risk of side effects compared with conventional chemotherapy.
