Search Results for: Sharks

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778 results
  1. Life

    Elephant kin liked the water

    Moeritherium, ancient relatives of modern elephants, may have spent much of their time in lakes, rivers or swamps.

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  2. Animals

    Virgin Birth: Shark has daughter without a dad

    DNA testing of two sharks confirms an instance of reproduction without mating, adding a fifth major vertebrate lineage to those known for occasional virgin births.

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  3. Earth

    Naming Your Tax Write-Off

    You can name this newly discovered sea slug — or nudibranch — housed in the Scripps Oceanographic Collections. The catch: It’ll cost you. But that “donation” will be tax deductible.

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  4. Earth

    Hammered Saws

    Sawfish, shark relatives that almost went extinct several decades ago, have now gained protection by international treaty.

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  5. Earth

    Sharks, dolphins store pollutants

    Florida's top aquatic predators are rapidly accumulating high concentrations of brominated flame retardants and other persistent toxic chemicals.

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  6. Ecosystems

    Sawfish Central

    Sawfish will soon be getting United Nations protection from exploitation. Right now, the only U.S. state where these ancient fish can generally be found—and then, only rarely—is Florida. Here’s a site to view the fish, a member of the shark family, and link to research aimed at rescuing populations of its seven beleaguered species worldwide. […]

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  7. Animals

    Too Few Jaws: Shark declines let rays overgraze scallops

    A shortage of big sharks on the U.S. East Coast is letting their prey flourish, and that prey is going hog wild, demolishing bay scallop populations.

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  8. Earth

    New Estimates of the Shark-Fin Trade

    A new study of the Asian fish market yields a disturbing estimate of how many sharks are killed each year to satisfy demand for a pricy Asian soup.

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  9. Earth

    The Costs of Meat and Fish

    The purchase price is often but a small part of the true cost of many animal products in the diet.

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  10. Tag! You’re It

    Biologists catch and tag big sawfish in Florida waters.

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  11. Animals

    Built for Speed

    Animals would prove fierce competitors at the Olympics — if only they would stay in their lanes.

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  12. Stranded: A whale of a mystery

    Scientists generally agree that sonar can trigger strandings of certain whales, but no one really knows what leads these deep divers to the beach.

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