Search Results for: Sharks

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803 results

803 results for: Sharks

  1. 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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  2. 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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  3. Big Fishing Yields Small Fish

    Researchers map predator loss and predict unstable oceans.

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  4. Humans

    Water’s Edge Ancestors

    Human evolution’s tide may have turned on lake and sea shores.

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  5. Life

    An oceanic endeavor

    Marine census catalogs creatures that roam all corners of the seas.

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  6. Animals

    Basking sharks head south for winter

    Satellite-tagging data suggest that basking sharks migrate south to the Caribbean in winter.

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  7. Earth

    Ancient marine reptiles losing their cool

    Warm-bloodedness may help explain the creatures’ evolutionary success, a new study suggests.

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  8. Life

    Ingredients of hagfish slime revealed

    Figuring out the ingredients still doesn’t explain how the fishes avoid premature mucus explosions

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  9. Life

    Parenthood: Male sharks need not apply

    A second case of a virgin shark birth suggests some female sharks may be able to reproduce without males.

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  10. Chemistry

    2009 Science News of the Year: Molecules

    Tangles of collagen IV chains link at globules via sulfur-nitrogen bonding (illustrated above). Credit: Courtesy of Science/AAAS New bond in the basementBasements house hidden treasures — including a chemical bond never before seen in living things. Scientists have discovered that collagen fibers in the basement membrane — a tough, structural layer of cells that surrounds […]

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  11. Science Past from the issue of June 6, 1959

    Space Flight Succeeds — Two little monkeys, one clad in a space suit and the other lying in a special capsule with her knees drawn up under her, were blasted 300 miles into space on Thursday, May 28, from Cape Canaveral, Fla., the National Aeronautics and Space Administration has revealed. Drama of the experiment was […]

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  12. Earth

    Studies aim to resolve confusion over mercury risks from fish

    Several new papers suggest strategies by which American diners can negotiate a mercury minefield to tap dietary benefits in fish.

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