All Stories
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Dog personality: His master’s traits
Personality traits may vary as much from one dog to another as they do from one person to another, a new study suggests.
By Bruce Bower - Materials Science
Nanowires grow on viral templates
Researchers are using viruses to assemble semiconducting nanowires—the building blocks of future electronic circuits.
- 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.
By Peter Weiss -
Human genes take evolutionary turns
Researchers have identified a set of genes that has evolved an extensive pattern of alterations unique to people.
By Bruce Bower - Earth
This pollutant fights lupus
A hormone-mimicking pollutant that leaches out of some plastics appears to fight lupus.
By Janet Raloff - 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.
By Nathan Seppa - Tech
Electronic skin senses touch
A pressure-detecting membrane laminated onto a sheet of flexible plastic electronics may lead to artificial skin for robots.
By Peter Weiss -
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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 […]
By Science News -
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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 […]
By Science News -
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.
By Susan Milius - 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 […]