Search Results for: Sharks

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778 results
  1. Health & Medicine

    Shark cartilage doesn’t appear to help lung cancer

    Patients taking an extract show no improvement.

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  2. 2010 Science News of the Year: Numbers

    The Tao of traffic lights When a traffic light goes green can seem to hinge on whimsy rather than the number of vehicles waiting. Scientists propose speeding up traffic by making signals go with the flow (SN: 10/23/10, p. 8). Inspired by the movement of crowds through narrow spaces such as doorways, Swiss and German […]

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  3. Humans

    Geographic profiling fights disease

    Widely used to snare serial criminals, a forensic method finds application in epidemiology.

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  4. Science From On High

    Google Earth gives researchers new access.

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  5. Paleontology

    Fossilized poop bears tooth marks

    Shark-bitten fecal matter probably came from an assault on an ancient croc.

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  6. Life

    Hormones give lantern sharks the glow

    In a first, a study shows that bioluminescence can be controlled by slow-acting hormones, not rapid-fire nerve cells.

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  7. Plants

    Chlorophyll gets an ‘f’

    New variety of photosynthetic pigment is the first to be discovered in 60 years

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  8. Earth

    Moby Dick meets Jaws

    A recently discovered fossil demonstrates that giant whales weren’t always as gentle as they are today.

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  9. Life

    Poached hammerhead fins traced to endangered populations

    Mapping populations with DNA comparisons offers possible tool for conservation of hammerhead sharks.

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  10. Humans

    Wildlife trade meeting disappoints marine scientists

    The 15th meeting of signatories to the CITES treaty ended on March 25 without passing several proposals to protect high-profile fish species.

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  11. 2010 Science News of the Year: Molecules

    Credit: Happy Little Nomad/Wikimedia Commons Gimme an F Chlorophyll, the pigment that makes the world go ’round, has come in four known flavors for more than 60 years: chlorophylls a, b, c and d. Now scientists have discovered another version of the pigment that allows plants and other photosynthesizing organisms to harness sunlight for making […]

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  12. Big Fishing Yields Small Fish

    Researchers map predator loss and predict unstable oceans.

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