Uncategorized
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18940
In your article you refer to imploding “air bubbles” that are produced by shrimp. However, these cavities, which are formed by cavitation, are filled with water vapor, not air. As the shrimp claws move rapidly through the water, a low-pressure area is formed behind the claws. If the pressure is below the vapor pressure of […]
- Chemistry
Molecules get microscopic bar code labels
Researchers have created tiny, striped tags for labeling and tracking biologically important molecules.
- Health & Medicine
Chemical Neutralizes Anthrax Toxin
Scientists have created a synthetic compound that, when tested in rats, disables the toxin that makes anthrax lethal.
- Physics
Magnets, not magic, make gas bulbs bad
Once as baffling as black magic, the random failures of glass bulbs used in magnetic resonance imaging (MRI) now appear to stem from unexpected magnetization of the glass.
- Math
Spotting Ladybugs
Ladybugs are among the most familiar of beetles. More than 4,000 species are found throughout the world, ranging in size from 4 to 18 millimeters. Also known as lady beetles or ladybirds, these insects (coccinellids) have rounded bodies and bright red, orange, or yellow wing covers, which usually bear an array of contrasting black spots […]
- Math
Spotting Ladybugs
Ladybugs are among the most familiar of beetles. More than 4,000 species are found throughout the world, ranging in size from 4 to 18 millimeters. Also known as lady beetles or ladybirds, these insects (coccinellids) have rounded bodies and bright red, orange, or yellow wing covers, which usually bear an array of contrasting black spots […]
- Physics
Path to new elements now looks steeper
Making novel, superheavy elements is harder than was previously expected, according to a new experiment, but the findings may also help physicists better choose which atoms to smash into which.
- Tech
Microjaws chomp cells to change them
A tiny, new biomedical device operates on such a small scale that it can grab individual red blood corpuscles in its jaws.
- Tech
Nervy chip may open window into brain
Researchers have built a simple circuit that blends living neurons with silicon-based transistors.
- Health & Medicine
Oceans apart, but surgery succeeds
A French group performed the first transatlantic operation when surgeons in New York controlled a robot in Strasbourg, France, which removed a woman's gall bladder.
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18962
I just read the article and I’m dying to know what motivated the patient to undergo such an experimental (transatlantic) form of an otherwise routine surgery. Any info available? Henry Jones Baton Rouge, La.Her doctors say the patient was simply interested in advancing medical science and that she knew that several surgeons were standing by […]
- Health & Medicine
For a change, infection stymies HIV
A hepatitis-like virus that causes no known diseases seems to help people stave off the progression of HIV, the AIDS virus.
