News
- Physics
Tiny tubes tune in colors
At the right length and conductivity, ultrathin filaments of carbon known as carbon nanotubes can receive visible light waves in the same the way as larger antennas receive radio signals.
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Cavefish blinded by gene expression
New evidence supports the theory that Mexican blind cavefish are sightless by evolutionary selection, not chance.
- Tech
Cramming bits into pits
By skewing the alignment of pits on an optical disk's surface, disk makers might store much more than one bit per pit.
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Single gene turns flu deadly
Variations in a single gene may have dramatically increased the virulence of 1918 Spanish flu.
- Chemistry
Branching polymer could heal cataract wounds
Cataract surgery might get a little easier, thanks to a transparent gel that seals surgical incisions in the eye better than standard sutures do.
- Anthropology
Chimps show skill in termite fishing
Video cameras set up in a central-African forest have recorded the sophisticated ways in which local chimpanzees catch termites for eating.
- Materials Science
Reversible gel restores artwork
To help conservationists restore paintings to their original glory without damaging the original paint, chemists have developed a cleaning product that switches from a liquid to a gel.
- Health & Medicine
Dormant Cancer: Lack of a protein sends tumor cells to bed
Excess amounts of a protein called Myc triggers cancer in mice, but ratcheting back this supply sends the malignant cells into dormancy.
- Earth
Change in the Weather? Wind farms might affect local climates
Large groups of power-generating windmills could increase wind speed, temperature, and ground-level evaporation, thereby influencing a region's climate.
- Health & Medicine
Fat Fuels PCB Damage: Diet influences toxic effects leading to heart disease
Certain types of dietary fats can magnify PCB damage to artery cells in a way that sets the stage for cardiovascular disease.
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Hearing Better in the Dark: Blindness fuels ability to place distant sounds
New evidence indicates that blind people estimate the locations of distant sounds more accurately than sighted people do, even if sight loss didn't occur until adolescence or young adulthood.
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A.M. and P.M. Clocks: Fruit fly brain has double timekeepers
Two research teams have pinpointed one group of fly-brain neurons keeping time for morning activity and a different neuron group performing the same function for evening activity.
