Uncategorized
- Tech
Wiring teensy tubes, strands into circuits
Single-molecule transistors and other comparably small components are now at work in prototype circuits that may eventually lead to electronic devices crammed with up to 100,000 times more transistors per square centimeter than are on today's chips.
- Health & Medicine
Protein may key lupus’ attack on neurons
A protein on the surface of brain cells enables rogue antibodies to attach to and kill these neurons, suggesting an explanation for neurological problems found in some lupus patients.
- Astronomy
Meteor shower promises quite a show
In the early morning hours of Nov. 18, sky watchers in North America may be treated to one of the most spectacular displays of shooting stars they're likely to see for a generation, if not longer.
- Health & Medicine
Human sweat packs a germ-killing punch
Sweat glands secrete a microbe-killing protein.
- Chemistry
Chemists Try for Cleaner Papermaking
Chemists have developed a novel technology that could help clean up the papermaking process.
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Dazzling Shooting Stars
The impending encounter between Earth and a cloud of particles ejected from comet Tempel-Tuttle is likely to produce a dazzling meteor shower, visible over North America in the early morning hours of Nov. 18. Bill Cooke of NASA’s Marshall Space Flight Center provides forecasts and viewing conditions for this year’s Leonid storm. Go to: http://see.msfc.nasa.gov/see/Leonid_Forecast_2001.html […]
- Astronomy
After a martian dust storm
The largest dust storm seen on Mars in more than 2 decades is now beginning to wane.
- Astronomy
Tracking the path of a black hole
Astronomers have for the first time measured the motion of a small black hole and a companion star speeding through our galactic neighborhood.
- Health & Medicine
Anti-inflammatory drug may unleash TB
The anti-inflammatory drug infliximab, also called Remicade, can cause hidden tuberculosis to flare up.
- Health & Medicine
Molecule may reveal ovarian cancer
The presence of a protein called prostasin may signal cancer of the ovaries.
- Earth
Uranium recorded in high-altitude ice
An international team of scientists has analyzed a lengthy core of ice and snow drilled from atop Europe's tallest mountain to produce the first century-long record of uranium concentrations in a high-altitude environment.
- Earth
Grape-harvest dates hold climate clues
The vintner's habit of picking no grapes before their time may give scientists a tool that could help verify reconstructions of European climate for the past 500 years.
