News
- 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.
By Nathan Seppa - Space
Longer cosmic ruler based on black holes
A new method promises to improve the precision of extreme astronomical distance measurements.
By Nadia Drake - Psychology
Teen daters pal up to the bottle
Buddies of boyfriends and girlfriends push teens toward or away from booze.
By Bruce Bower - Physics
Sweet beams: Lasers to measure blood sugar
Cutting-edge use of light might someday prove useful in gauging diabetics’ glucose levels.
By Devin Powell - Space
Messenger from Mercury
NASA orbiter returns images of odd landforms on the solar system's innermost planet.
By Nadia Drake - Health & Medicine
The mind’s eye revealed
A new technology uses brain scans to see what a person is watching.
- Life
Food makes male flies frisky
Courtship behavior in a classic lab insect is driven by the aroma of dinner.
By Nick Bascom -
Trilayer graphene exhibits quantum effect
Three could be the magic number for making spintronic devices from thin carbon sheets.
By Devin Powell - Chemistry
Miracle fruit secret revealed
Bizarre berry works by sensitizing the tongue's sweet sensors to acidic flavors.
- Health & Medicine
B12 shortage linked to cognitive problems
Subtle B12 deficiency plagues a surprising share of the elderly and may harm the brain, studies suggest.
By Janet Raloff - Health & Medicine
Nose divides sweet from foul
The way scent-detection machinery is laid out suggests that people are born with some innate olfactory preferences.
By Nick Bascom - Physics
Neutrinos seen to fly faster than light
Though few physicists expect it to withstand scrutiny, confirmation of the observation would shake physics to its core.
By Devin Powell