News
- Health & Medicine
Making the optic nerve sprout anew
A compound made during inflammation, a natural reaction to injury, can induce optic nerve regeneration in a lab-dish concoction including rat retinal ganglion cells.
- Health & Medicine
Catching macular degeneration early
Scientists have developed a test that uses the eye's ability to adapt to darkness as a test for age-related macular degeneration, the most common cause of blindness in elderly people.
- Animals
That special wax lasts after courtship
Sandpipers' special wax for their wings during the breeding season may have less to do with courting a mate and more to do with sitting on eggs.
- Health & Medicine
Stressing out
A gene variant reduces people's response to the stress hormone cortisol, and people with the variant are less likely to have risk factors for heart disease and diabetes.
- Archaeology
Maya warfare takes 10 steps forward
The discovery of hieroglyphic-covered steps on the side of a Maya pyramid has yielded new information about warfare between two competing city-states around 1,500 years ago.
- Health & Medicine
Into the Tank: Pressurized oxygen is best at countering carbon monoxide exposure
Oxygen treatment for serious carbon monoxide poisoning prevents long-term brain damage best if delivered as pressurized gas.
- Humans
Flame Out: Fishy findings sustain, then snuff, stellar career
Investigators have concluded that a young, up-and-coming physicist repeatedly faked data and committed other types of scientific misconduct.
- Chemistry
Hot Spuds: Golden path to acrylamide in food
The browning reaction that imparts flavor to french fries and breads also creates acrylamide, an animal carcinogen.
- Materials Science
Molecular Separations: New artificial sieve traps molecules
Researchers have created a metal-laced organic solid that acts as a sieve with nanosize pores for capturing molecules.
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Making Mice Mellow: Rodents yield clues to improved anxiety drugs
Mice bred to lack a gene for a certain enzyme exhibit reduced anxiety and greater curiosity in stressful laboratory tasks, suggesting a possible new avenue of research into anti-anxiety medications.
- Tech
Solar Surgery: Sunlight acts like laser
By channeling sunlight down a fiber optic cable, scientists have produced laserlike beams that can burn tumors off major organs.
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Milestones for Malaria: Parasite, mosquito genes decoded
Unraveling the DNA of a malaria-causing parasite and of a mosquito that carries it may suggest new ways to combat the deadly disease.
