News
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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.
By Nathan Seppa -
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.
By Janet Raloff -
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.
By Ron Cowen -
Cardinal girls learn faster than boys
A female cardinal learns about as many songs as a male but in one-third the time.
By Susan Milius -
Flush-pursuers fake out fleeing prey
Birds that advertise their presence to potential prey may improve their chances of catching a meal.
By Kelly Malcom -
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.
By Nathan Seppa -
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.
By Nathan Seppa -
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.
By Nathan Seppa -
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.
By Ron Cowen -
Dormant bacteria may spawn infection
Clinicians' standard methods don't detect the dormant phase of a bacterium that commonly causes urinary tract infections in women.
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Undercooking makes germs strong
Precooking servings to sublethal temperatures before the final cooking actually makes germ killing more difficult.
By Janet Raloff -
Dirty money harbors bacterial dangers
More than half of 68 dollar bills collected at a high school sporting event and a grocery store in Ohio hosted bacteria that commonly infect poeple in hospitals or those with depressed immune systems.