News
- 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.
- Life
Food makes male flies frisky
Courtship behavior in a classic lab insect is driven by the aroma of dinner.
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Trilayer graphene exhibits quantum effect
Three could be the magic number for making spintronic devices from thin carbon sheets.
- 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.
- 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.
- 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.
- Earth
Pole flips tied to plate tectonics
A lopsided arrangement of continents could lead to reversals in Earth's magnetic field.
- Life
Penguins may sniff out relatives
A zoo study sees hints of odor-based kin recognition in colony-dwelling birds.
- Life
XMRV tie to chronic fatigue debunked
A virus that was tied to the mysterious syndrome by 2009 research appears to have been a laboratory contaminant.
