Uncategorized

  1. Astronomy

    Repulsive Astronomy: Strengthening the case for dark energy

    Astronomers have found new evidence that a mysterious substance, dubbed dark energy, is ripping the cosmos apart, causing the universe to expand at an ever-faster rate.

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  2. Animals

    Why do two-sex geckos triumph?

    Just the smell of an invasive species of gecko suppresses egg laying and subdues aggression in a resident.

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  3. Animals

    Maybe what Polly wants is a new toy

    Changing the toys in a parrot's cage may ease the bird's tendency to fear new things.

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  4. Animals

    Some female birds prefer losers

    When a female Japanese quail watches two males clash, she tends to prefer the loser.

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  5. Animals

    The secret appetite of cleaner wrasses

    The little reef fish that nibble parasites off bigger fish that stop by for service actually prefer to nibble the customers.

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  6. Health & Medicine

    Anthrax toxin curbs immune cells

    A toxin produced by the anthrax bacterium suppresses cells that launch the body's immune response.

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  7. Physics

    Antiglare eye black is better than tape

    Black grease that athletes smear under their eyes to control the glare of the sun really helps them discern contrast; what's more, it works better than black tape, a newer antiglare aid.

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  8. Old Worms, New Aging Genes

    The genes and hormonal signals that regulate life span in worms may do the same in people.

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  9. 19333

    The serious harm caused by microscopic dust really made me wonder about diesel. You noted that the submicron-scale spheres in the lungs of a nonsmoking resident of Mexico City appeared to be diesel-exhaust particles. While Europeans worry about what will happen in 100 years from global warming, could they be killing themselves now with their […]

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  10. Earth

    Air Sickness

    Studies have begun showing subtle but substantial harmful effects in outwardly healthy people who regularly breathe hazy air.

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  11. Humans

    From the July 29, 1933, issue

    ON A SPARKLING SEA The photographer very likely took a more beautiful picture than he thought he would when, flying low over the Canadian Pacific’s Empress of Australia, he snapped the photograph that adorns the front cover of this week’s Science News Letter. The vessel has a gross tonnage of 21,850 tons and her displacement […]

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  12. Computing

    Computer Game Art and History

    Curious about early video games or recent developments in game technology? This Web site accompanies the “Game On” exhibition, developed by the Barbicon Gallery and the National Museums of Scotland. An exhibition guide briefly explains what the various displays include. The education section offers tips for creating a video game as a classroom project. The […]

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