Uncategorized
- Paleontology
Dinosaurs, party of six, meat eating
The bones of six carnivorous dinosaurs discovered in a fossil bed in Patagonia may indicate that big, meat-eating dinosaurs were social creatures.
- Physics
Devilish polygons speak of past stress
A new theory and a simple test with cornstarch and water may help explain the polygonal geometry of rock columns in the Devil's Postpile in California and elsewhere.
- Physics
Nanotubes get into gear for new roll
Atoms on the surface of carbon nanotubes appear to mesh when tubes roll across a graphite surface, making the tubes possible atomic-scale gears, which have been long-sought in nanotechnology.
- Earth
Greenhouse Gassed
Scientists are discovering that more carbon dioxide in the air could spell disaster for plants and the animals that love to eat them.
- Tech
Looking for Mr. Goodoxide
The impending collapse of a 40-year union between the electronic wonder materials silicon and silicon dioxide threatens the advance of chip technology and propels a high-stakes search for silicon dioxide replacements.
- Chemistry
Buckyballs Can Come from Outer Space
A new analysis settles the question of whether carbon molecules found in meteorites have an extraterrestrial origin.
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Researchers enjoy bitter taste of success
Scientists have identified a large family of proteins that work as taste receptors for bitterness.
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Cloned pigs, down on the corporate farm
A biotech company announced the first cloning of pigs.
- Health & Medicine
Pig-cell grafts ease symptoms of Parkinson’s
Pig brain cells transplanted into the brains of patients with advanced Parkinson's disease help some of the patients regain mobility and the ability to do basic tasks.
- Tech
Coming soon: Knavish electromagnetic acts
Scientists have created a device with bizarre electromagnetic properties—but so far, only at microwave frequencies.
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Hungry spiders tune up web jiggliness
Octonoba spiders tune the sensitivity of their webs according to how hungry they are.
- Agriculture
Toxic bugs taint large numbers of cattle
U.S. cattle have dramatically higher rates of infection with a virulent food-poisoning bacterium than had been realized, a factor that leads to widespread carcass contamination during slaughter.
