News
- Health & Medicine
Data faked in immune-system study
A researcher fabricated evidence suggesting that never-before-seen RNA-DNA-hybrid molecules play a role in creating antibodies.
- Health & Medicine
Coffee linked to rheumatoid arthritis
People who drink four or more cups of coffee per day appear more likely to get rheumatoid arthritis than are those drinking less.
- Health & Medicine
Do zinc lozenges shorten common colds?
People taking zinc to fight a cold report less coughing, less nasal discharge, and a shorter cold than do people getting a placebo.
- Humans
Cutting edge chemistry rushes online
A new online server offers a place for communicating chemistry research to other scientists quickly and without peer review.
- Humans
Russia’s nuclear-safety issues spread
A leading Russian environmentalist, Aleksandr Nikitin, says Russia's problems with nuclear-waste management should concern people beyond that country's borders.
- Tech
Coddled crystal slams door on light
A better fabrication process yields such a high-quality optical material that microchips using light, rather than electrons, may be close to reality.
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- Computing
Computation Takes a Quantum Leap
A quantum computation involving a custom-built molecule furnishes experimental evidence that a quantum computer can solve certain mathematical problems more efficiently than can a conventional computer.
- Chemistry
HArF! Argon’s not so noble after all
Researchers have for the first time coerced argon into forming a stable and neutral compound with other elements.
- Animals
Toothy valves control crocodile hearts
The odd cog teeth of the crocodile heart may be the first cardiac valve known to control blood flow actively.
- Earth
Cars’ ammonia may sabotage tailpipe gains
Though cars' catalytic converters clean up some of the acidic contributors to urban haze and particulates pollution, a subset of these pollution-control devices seems to foster the production of ammonia, another pivotal ingredient in haze and particulates.
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Nausea drug may aid alcoholism treatment
A drug that lowers the activity of serotonin and other chemical messengers in the brain may boost the effectiveness of psychological treatments for a severe form of alcoholism.
