Uncategorized

  1. Animals

    First maternal care filmed in squid

    At least one squid species turns out to be a caring mom after all, say researchers who filmed the creatures using remote-control cameras positioned deep in the Pacific Ocean. With Video.

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  2. Astronomy

    Outer Limits

    A slew of recently discovered objects at the far reaches of the solar system, including a possible tenth planet, are providing scientists with clues about the origin and evolution of this distant region.

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  3. 19628

    In this article about using harmonic reflected signals to track bees, I thought it was interesting to note that the original technology was created by the Russians as a spy device. The technology is still being used for a form of spying. Dwight ElveySanta Cruz, Calif.

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  4. Animals

    The Trouble with Chasing a Bee

    Radar has long been able to detect high-flying clouds of insects, but it's taken much longer for scientists to figure out how to track your average bee.

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  5. Math

    Light Bulb Puzzles

    Light bulbs and switches combine to present infinite perplexities.

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  6. Humans

    From the January 4, 1936, issue

    Experimental rockets, a tuberculosis-fighting bacteriophage, and an antidote for barbiturate poisoning.

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  7. Math

    Slide Rule Universe

    Nowadays, calculators and computers are essential tools for scientists and engineers. A few decades ago, however, an ingenious calculating device called the slide rule was in every engineer’s toolbox. This Web site provides a glimpse of those long-gone days. It provides references materials on the care, feeding, and use of slide rules, a slide-rule marketplace, […]

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  8. 19627

    Epidemiologist Scott Davis warns, “Melatonin supplements are not regulated” the way drugs are. . . . “There may be all kinds of impurities and contaminants.” Are you really going to tell me that you aren’t going to take melatonin—if you’re convinced that it might lower your chance of getting cancer by as much as 50 […]

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  9. Health & Medicine

    Bright Lights, Big Cancer

    A woman's blood provides better sustenance for breast cancer just after she's been exposed to bright light than when she's been in steady darkness.

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  10. Astronomy

    Gauging Star Birth: Spacecraft uses gamma rays as stellar tracer

    Using radioactive material spewed into space by dying stars, astronomers have measured the star-formation rate in our galaxy over the past few million years.

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  11. Earth

    Mass movement

    Two satellites designed to note small changes in Earth's gravitational field detected effects of the magnitude 9.3 earthquake that occurred west of Sumatra on Dec. 26, 2004.

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  12. Physics

    Quantum Chip: Device handles ions as if they were data

    A new microchip can trap and move an ion, preliminary steps toward carrying out quantum computations on a chip.

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