News
- Health & Medicine
New anthrax treatment works in rats
By distorting a protein in the toxin that makes the anthrax bacterium deadly, scientists have discovered a promising way to treat the disease and possibly even to prevent it with a vaccine.
- Health & Medicine
Tamoxifen dilates arteries in men
The breast cancer drug tamoxifen can widen a narrowed coronary artery in men with heart problems.
- Health & Medicine
Long-term ecstasy use impairs memory
Extended use of the illicit drug called MDMA or ecstasy exacerbated memory problems in users aged 17 to 31, none of whom reported alcohol dependence.
- Health & Medicine
Peptide puts mouse arthritis out of joint
A compound called vasointestinal peptide, which binds to immune system T cells and macrophages, thwarts arthritis in mice.
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Dolphins may seek selves in mirror images
Dolphins apparently recognize their own reflections.
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For some birds, Mr. Wrong can be alright
What looks like the ultimate bad choice in romance—a mate from a different species—in some conditions may not be so dumb after all.
- Astronomy
Have scientists seen planets in the making?
Astronomers may finally have glimpsed a key step in the construction of a planet.
- Earth
Even low lead in kids has a high IQ cost
Lead can damage a young child's ability to learn and reason at exposures far lower than the limit deemed acceptable by the U.S. government.
- Physics
New probe reveals unfamiliar inner proton
Researchers taking one of the closest looks yet into the intact proton have found an unexpectedly complex interior electromagnetic environment.
- Health & Medicine
Epileptic seizures may be predictable
Patterns of mild electrical disturbance in the brains of epilepsy patients appear to foreshadow a seizure hours before its onset.
- Materials Science
Inorganic tubes get smaller than ever
Researchers have created the smallest stable, freestanding inorganic nanotubes yet.
- Chemistry
Rocks May Have Given a Hand to Life
In a new twist to the puzzle of how life developed from only left-handed amino acids, researchers have found that the common mineral calcite can segregate the molecules into their left-handed and right-handed varieties.
