News

  1. Health & Medicine

    Novel Approach: Cancer drug might ease scleroderma

    The chemotherapy drug paclitaxel, when given to mice, shows signs of impeding the skin disease scleroderma.

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  2. Earth

    Global Wetting and Drying: Regions face opposing prospects for water supply

    In the next half century, rivers and streams in some parts of the world will diminish in flow, while waterways elsewhere rise in output, according to a new analysis of climate simulations.

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  3. Astronomy

    Infrared telescope spies mountains of star creation

    Viewing a star-making region in the infrared, the Spitzer Space Telescope has captured mountains of gas and dust being eroded by winds and radiation from a massive star, triggering waves of star birth.

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  4. Tech

    Hidden in Disorder: Chaos-encrypted information goes the distance

    Scientists have demonstrated that a message encrypted in a chaotic laser signal can be transmitted more than 100 kilometers through a commercial optical-fiber network.

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  5. Animals

    Tszzzzzt! Electric fish may jam rivals’ signals

    An electric fish appears to sabotage a rival's electric signals as a fight starts. With Audio and Video.

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  6. Way to Glow: Butterfly-wing structure matches high-tech lights’ design

    The blue-green wings of the swallowtail butterfly harbor an intricate optical system with a design reminiscent of the latest in light-emitting diode technology.

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  7. Mental Meeting of the Sexes: Boys’ spatial advantage fades in poor families

    The frequently observed superiority of boys to girls on tests of spatial skill disappears in children of poor families, indicating that this mental ability responds more sensitively to environmental influences than has been assumed.

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  8. Paleontology

    Ancient Grazers: Find adds grass to dinosaur menu

    Analyses of fossilized dinosaur feces in India reveal the remains of at least five types of grasses, a surprising finding that's the first evidence of grass-eating dinosaurs and an indication that grasses diversified much earlier than previously recognized.

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  9. Health & Medicine

    Our big fat cancer statistics

    A new analysis of data from a 2002 report shows that obesity is the second-largest cause of cancer in the United States.

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  10. Health & Medicine

    Wearing your food

    A broccoli extract, applied to the skin, has been found to reduce the incidence of skin tumors in mice.

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  11. Health & Medicine

    Dairy fats cut colon cancer risk

    High-fat dairy foods appear to confer protection against colon cancer.

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  12. Earth

    Sex and the sewage

    Chemicals in sewage sludge appear to have stunted the testes and fostered other reproductive-system changes in fetal lambs.

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