Uncategorized
- Physics
Manhandled molecules, midget memories
A thick coating of organic chemicals can record information at densities potentially a million times greater than is possible with current compact disk technology.
- Chemistry
Power plants: Algae churn out hydrogen
Green algae can produce hydrogen, a clean-burning fuel that could one day power pollution-free cars.
- Astronomy
Votes cast for and against the WIMP factor
Physicists this week duked it out over a bunch of WIMPs, elementary particles that—if they exist—could solve a decades-old mystery in cosmology and help unify the four fundamental forces of nature.
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Survey raises issue of isolated Web users
A controversial study suggests that heavy users of the Internet become socially isolated.
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Treatment enigma for disturbed kids
Two new studies offer conflicting views of the effectiveness of mental-health services for children and teenagers.
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Anatomy of antisocial personality
A disturbance in the brain's prefrontal cortex may either contribute to or result from a psychiatric condition called antisocial personality disorder.
- Math
A fair deal for housemates
A new mathematical recipe for fair division allows people to resolve disputes over the splitting up of rent, goods, or even burdensome chores.
- Math
Packing spheres around a sphere
A mathematician has proved that the optimal arrangement of 12 identical spheres around and touching a 13th is a highly symmetric pattern based on the 12-faced geometric shape known as the dodecahedron.
- Physics
Hunting for Higher Dimensions
Inspired by recent theoretical insights, physicists at accelerators and gravitational laboratories are searching for clues to dimensions beyond the four dimensions of space-time.
- Tech
Eau, Brother!
The combination of advanced sensor materials and powerful computer chips promises devices that can sense threats ranging from bacteria in food to explosives in land mines.
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Two Meningitis Bacteria Yield Genomes
Scientists have sequenced all the genes of two strains of a bacterium that causes meningitis, which may lead to the development of a much-needed vaccine
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Migration may reawaken Lyme disease
Lyme disease can hide in healthy-looking birds until the stress of migration drives it into a potentially infectious state.
