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Amphibiaweb
Curious about frogs, toads, or salamanders? This Web site from the University of California, Berkeley provides data on more than 6,000 amphibian species from around the world. Visitors can browse the listings by name or region of the world (or country). The site also has general information about amphibians and addresses the issue of amphibian […]
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19684
While reading this article, I pondered what would happen if fissionable elements were the core crystals of the nanosqueeze. Would nanoreactors or nanobombs be possible? Victor LawnickiLouisville, Ky. Florian Banhart of the University of Mainz in Germany notes that a nuclear-fission bomb or reactor requires a critical mass of kilograms of fissionable material—way too much […]
- Materials Science
Gripping Tale: Metal oozes in nanotubes’ grasp
Carbon nanotubes can squeeze substances inside them with such high pressures that even hard metals squish like putty.
- Animals
Lobster Hygiene: Healthy animals quick to spot another’s ills
Caribbean spiny lobsters will avoid sharing a den with another lobster that's coming down with a viral disease.
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Big Oil, Tiny Barons: Microbes can unleash trapped petroleum
Specialized microbes can lift trapped oil from wells long gone dry.
- Health & Medicine
For the Birds: New vaccines protect chickens from avian flu
By piggybacking components of strains of avian-influenza virus onto an existing poultry vaccine, scientists have created experimental vaccines that can prevent bird flu in chickens.
- Health & Medicine
Open Water, Open Mouths: Scuba divers face infection risks
A new study takes a stab at quantifying the risks that waterborne bacteria and viruses pose to scuba divers.
- Ecosystems
Top-Down Lowdown: Predators shape coastal ecosystem
The health of southern California kelp forests may depend more on the ecosystem's predator population than the forest's access to nutrients.
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Burden of Abuse: Violent partners take mental toll on women
Physical abuse at the hands of their husbands or live-in male partners contributes substantially to major depression and other disorders among women.
- Health & Medicine
Prescription stimulants are big on campus
Nearly 1 in 10 students at a New England college admits to using prescription stimulants without authorization.
- Animals
True-pal lizards may show odd gene
Colorful lizards in California may offer an example of a long-sought evolutionary factor called greenbeard genes, a possible explanation for altruism.
- Health & Medicine
Hookworms hitched rides with nomads
Horseback-riding herders known as Scythians once traveled far and wide across Eurasia, and their remains contain the parasites to prove it.
