News

  1. Humans

    Solar series wins award for Science News

    The Solar Physics Division of the American Astronomical Society has given its 2002 popular writing award to Ron Cowen and Sid Perkins for a two-part series on cyclic variations in the sun's activity.

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  2. Agriculture

    Moos, microbes, and methane

    A feed additive could reduce methane emissions from cows.

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  3. Ironing out underarm odor

    Chemicals that deprive bacteria of iron may improve deodorants.

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  4. Bacterial genes and cell scaffolding

    A bacterium may have revealed the origin of a key cell structure.

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  5. Astronomy

    Seeing Red: A cool revival of Hubble’s infrared camera

    New images provide a graphic demonstration that the Hubble Space Telescope's infrared vision has been restored.

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  6. Health & Medicine

    Efficient Germ: Human body boosts power of cholera microbe

    Some genes in the cholera-causing bacterium Vibrio cholerae are activated and others are silenced when the microbe passes through the human gut, changes that make the bacterium more virulent.

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  7. Ecosystems

    Plight of the Iguanas: Hidden die-off followed Galápagos spill

    Residues of oil spilled in the Galapágos Islands in January 2001 may have caused a 60 percent decline in one island's colony of marine iguanas.

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  8. Health & Medicine

    Transplant Triumph: Cloned cow kidneys thrive for months

    Cow kidneys and other tissue made by cloning ward off immune rejection after transplantation into cows.

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  9. Astronomy

    Rare Find: Odd type of ammonia detected in space

    The discovery of deuterated ammonia in space could help astronomers better understand the complex chemistry of dark clouds in star-forming regions.

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  10. Wayward Moods: Bipolar kids travel tough road to teenhood

    Children diagnosed with bipolar disorder, a psychiatric ailment characterized by severe mood swings, exhibit a depressingly poor response to standard drug treatments and psychotherapy.

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  11. Planetary Science

    Odyssey’s Homer: Hints of water near both poles of Mars

    Sensors on board the Mars Odyssey spacecraft have spied strong signs of ice buried near both poles of the Red Planet, exactly the regions where scientists previously had said that such frozen water deposits could exist.

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  12. Health & Medicine

    Dieting woes tied to hunger hormone

    A rise in the appetite-enhancing hormone ghrelin after weight loss may explain why dieters regain pounds.

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