News
- 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.
- Physics
Sweet beams: Lasers to measure blood sugar
Cutting-edge use of light might someday prove useful in gauging diabetics’ glucose levels.
- Space
Messenger from Mercury
NASA orbiter returns images of odd landforms on the solar system's innermost planet.
- Health & Medicine
The mind’s eye revealed
A new technology uses brain scans to see what a person is watching.
