News
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Catfish can track fish wakes in the dark
Infrared photography has revealed that catfish can stalk their prey by following wakes underwater.
- Health & Medicine
Enzyme defends germ against stomach acid
The newly solved structure of a Helicobacter pylori acid-fighting enzyme has scientists divided about how the enzyme works.
- Earth
Geologists take magnetic view through ice
A new map of the magnetic anomalies in Antarctica and the seafloor surrounding the continent is giving researchers a fresh tool to use in analyzing geologic features that lie hidden beneath thousands of feet of ice or storm-tossed seas.
- Health & Medicine
Genetically altered cells ease hemophilia
A gene therapy using skin cells that are genetically modified to make clotting proteins, multiplied in a lab, and reinjected into a person eases some bleeding in patients with severe hemophilia.
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Endangered condors lay first eggs in wild
A U.S. Fish and Wildlife Service biologist has spied a trio of California condors, released to the wild from captive-breeding programs sometime over the past 6 years, attending a pair of eggs.
- Astronomy
Survey Probes Cosmos from Near to Far
Early reports from the most mammoth sky surveys ever conducted are yielding a trove of findings, including the two most distant quasars known in the universe, new knowledge about the large-scale clumping of galaxies, and more evidence about the size and distribution of asteroids in our solar system.
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Cardinal girls learn faster than boys
A female cardinal learns about as many songs as a male but in one-third the time.
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Flush-pursuers fake out fleeing prey
Birds that advertise their presence to potential prey may improve their chances of catching a meal.
- Health & Medicine
New guidelines would cut cholesterol
The National Heart, Lung, and Blood Institute has developed new guidelines for physicians that could triple the number of people taking cholesterol-lowering medication.
- Health & Medicine
Angiostatin testing in people begins
Angiostatin, a drug that cured cancer in mice, appears safe to use in preliminary tests on people with cancer.
- Health & Medicine
Malaria prevention works in Tanzania
Giving infants intermittent doses of antimalarial drugs during their first year prevents serious illness in most cases and doesn't leave them susceptible to harsh disease in their second year.
- Astronomy
Sounds of the universe confirm Big Bang
Two experiments examining the detailed structure of the cosmic microwave background, the relic radiation from the Big Bang, have confirmed the basic model of how cosmologists believe the universe evolved.
