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Desert beetle catches fog on its back
The bumpy back of a desert beetle has inspired a design for collecting water from fog.
By Susan Milius -
MathOnline Bidding Tips
The auction Web site known as eBay has become a vast marketplace, bringing together buyers and sellers of all sorts of goods. It has also become a handy laboratory for testing ideas in economics about markets and prices. In general, auctions ought to serve as an efficient mechanism for setting prices. Consequently, you would expect […]
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MathOnline Bidding Tips
The auction Web site known as eBay has become a vast marketplace, bringing together buyers and sellers of all sorts of goods. It has also become a handy laboratory for testing ideas in economics about markets and prices. In general, auctions ought to serve as an efficient mechanism for setting prices. Consequently, you would expect […]
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AstronomyExtrasolar planets: More like home
A trove of newly discovered planets orbiting other stars suggests that the solar system may not be the oddball it had begun to seem.
By Ron Cowen -
AnimalsFinches figure out solo how to use tools
The woodpecker finches of the Galápagos, textbook examples of birds that use tools, pick up their considerable skills without copying each other.
By Susan Milius -
EarthFarmers could help heal Gulf of Mexico
Farm-derived nutrients in the Mississippi River that create a huge dead zone in the Gulf of Mexico could probably be substantially reduced if farmers simply used a little less fertilizer.
By Sid Perkins -
Health & MedicineBrain may forge some memories in waves
The waxing and waning of synchronized electrical bursts by cells in two key brain areas may promote at least one type of memory formation.
By Bruce Bower -
TechWiring teensy tubes, strands into circuits
Single-molecule transistors and other comparably small components are now at work in prototype circuits that may eventually lead to electronic devices crammed with up to 100,000 times more transistors per square centimeter than are on today's chips.
By Peter Weiss -
Health & MedicineProtein may key lupus’ attack on neurons
A protein on the surface of brain cells enables rogue antibodies to attach to and kill these neurons, suggesting an explanation for neurological problems found in some lupus patients.
By Nathan Seppa -
AstronomyMeteor shower promises quite a show
In the early morning hours of Nov. 18, sky watchers in North America may be treated to one of the most spectacular displays of shooting stars they're likely to see for a generation, if not longer.
By Ron Cowen -
Health & MedicineHuman sweat packs a germ-killing punch
Sweat glands secrete a microbe-killing protein.
By John Travis -
ChemistryChemists Try for Cleaner Papermaking
Chemists have developed a novel technology that could help clean up the papermaking process.