Uncategorized
- Physics
Light pulse hovers in atom capsule
A new way to freeze light pulses in midflight preserves the pulses' optical energy and may eventually lead to using stationary light in optical circuits and quantum computers.
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Human genes take evolutionary turns
Researchers have identified a set of genes that has evolved an extensive pattern of alterations unique to people.
- Earth
This pollutant fights lupus
A hormone-mimicking pollutant that leaches out of some plastics appears to fight lupus.
- Health & Medicine
Could refrigeration explain Crohn’s rise?
Crohn's disease, marked by inflammation of the small intestine, could be caused by refrigeration of meats, a process that selects for hardy bacteria that handle cold temperatures well, researchers hypothesize.
- Tech
Electronic skin senses touch
A pressure-detecting membrane laminated onto a sheet of flexible plastic electronics may lead to artificial skin for robots.
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Fear Not
Scientists find that facing your fears enables you to suppress them.
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I’m sure the new therapies, including drug therapy, outlined in this article will greatly help many people. I was unhappy, however, to see that the drug D-cycloserine was going to be used to help people overcome their fear of public speaking. I had a great fear of public speaking, but 1 year in the club […]
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19292
I thought that the X and Y chromosomes determined gender in animals, but I see no mention of them in your article. Does this mean that on a genetic basis, males and females in these organisms are identical? Neil H. MurphyWalnut Creek, Calif. In a sense, yes, says Philip Hastings of the Scripps Oceanographic Institute […]
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When to Change Sex
A research team contends that animals that routinely change sex, even those prompted by mate loss or other social cues, tend to do so when they reach 72 percent of their maximum size.
- Math
Splitting Terrorist Cells
How can you tell if enough members of a terrorist cell have been captured or killed so there’s a high probability that the cell can no longer carry out an attack? A mathematical model of terrorist organizations might provide some clues. The question is what sort of mathematical model would work best. In this hypothetical […]
- Health & Medicine
Age-related anemia hastens death
People who develop low concentrations of iron-containing hemoglobin in their blood as they get older are at elevated risk for serious medical problems and early death.
- Health & Medicine
Thalidomide-like drug treats blood disorder
A novel drug appears to help people with myelodysplasia, a persistent condition that leaves them short of crucial blood components.
