Uncategorized

  1. Humans

    Letters from the October 6, 2007, issue of Science News

    Cat scam? Oscar the cat possibly does identify dying patients (“Grim Reap Purr: Nursing home feline senses the end,” SN: 7/28/07, p. 53), but the story you printed presents anecdotal rather than scientific evidence and does not belong in a science magazine. Julie EnevoldsenSeattle, Wash. Correlation is not causation. Could it not be that, somehow, […]

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  2. Agriculture

    They fertilized with what?

    Fields fertilized with human urine yield bigger cabbages.

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  3. Health & Medicine

    Lonely white cells

    In chronically lonely people, white blood cells show abnormal gene activity that may affect health through immune responses.

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  4. Earth

    Iron to blame

    Typhoons that drench Madagascar and spill iron-rich runoff into the Indian Ocean account for that region's massive but sporadic algal blooms.

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  5. Animals

    Tough-guy bluebirds need a frontier

    As western bluebirds recolonize Montana, the most aggressive males move in first, paving the way for milder-mannered dads to take over.

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  6. Physics

    Hot stuff

    A plasma-based amplifier bumps up a laser's intensity by an unprecedented 20,000 times.

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  7. Planetary Science

    Neptune’s balmy south pole

    Neptune's south pole is about 10°C warmer than any other place on the planet.

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  8. Plants

    Stalking the Green Meat Eaters

    Pitcher plants in a New England bog hold little ecosystems in their leaves, and also act as indicators of the bog's ecological health.

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  9. 19887

    In Rio Linda, Calif., on Oct. 4, 1957, my seventh grade classmates and I (the front edge of the baby boom) were busily clipping news accounts of Sputnik for our daily current-events assignment. Less than a year later, we became the first eighth grade class in the school’s history to enroll in Algebra I. Our […]

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  10. Astronomy

    Sputnik + 50

    The launch of Sputnik 1, 50 years ago, ushered in a scientific and technological revolution, but dreams of the human conquest of space have faded.

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  11. Agriculture

    Web Special: You fertilized with what?

    A study shows that farmers can substitute human urine for conventional fertilizer.

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  12. Humans

    From the September 25, 1937, issue

    Insulin's molecular structure revealed, a new supernova observed less than a fortnight after an earlier one, and a hypothesis for how X rays kill cancer cells.

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