Search Results for: Sharks

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810 results

810 results for: Sharks

  1. Paleontology

    Ancient fish with killer bite

    Dunkleosteus clamped down on prey with three-quarters-of-a-ton bite force.

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  2. 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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  3. Paleontology

    Fossilized poop bears tooth marks

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

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  4. 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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  5. Life

    Briny deep basin may be home to animals thriving without oxygen

    Creatures living deep in the Mediterranean without oxygen would be a remarkable first, biologists say.

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  6. 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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  7. Health & Medicine

    Shark cartilage doesn’t appear to help lung cancer

    Patients taking an extract show no improvement.

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  8. Ecosystems

    Sharks use math to hunt

    Marine predators cruise the seas using fractal principles.

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  9. Earth

    Ancient marine reptiles losing their cool

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

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  10. 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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  11. Plants

    Chlorophyll gets an ‘f’

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

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  12. Chemistry

    Repellent slime has material virtues

    Threads isolated from hagfishes' defensive goo demonstrate superior strength and flexibility.

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