Life

  1. Physics

    Suction hunters

    Scientists reveal new details on how extendable jaws help fish capture prey.

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  2. Health & Medicine

    Thanks for the pounds, Mom

    When inherited from mom, a gene linked to obesity and diabetes interferes with blood sugar metabolism.

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  3. Animals

    Invasion of the salmon

    Chinook salmon, dwindling in the United States, go wild in South America.

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  4. Paleontology

    Ancient burrows

    Triassic-era sediments unearthed in Antarctica reveal the well-preserved lair of a four-legged, mammal-like reptile.

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  5. Paleontology

    A mammoth divide

    Woolly mammoths roamed Siberia in two distinct clans, and the split between the groups, scientists say, is surprisingly deep, occurring more than 1 million years ago.

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  6. Life

    Simple body, complex blueprints

    Genes key to the development of modern animals' body plans show up in primitive-looking comb jellies.

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  7. Health & Medicine

    Wake up and smell the java

    The smell of coffee leads to changes in gene activity in sleep-deprived rats, hinting at the molecular basis for the relaxing effect of the aroma seen in experiments.

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  8. Health & Medicine

    Nabbing suspicious SNPs

    Scientists search the whole genome for clues to common diseases.

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  9. Life

    A better look

    A new 3-D microscopy technique offers unprecedented views of cells.

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  10. Life

    BOOK REVIEW | Amazon Expeditions: My Quest for the Ice-Age Equator

    Review by Elizabeth Quill.

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  11. Animals

    BOOK LIST | Nim Chimpsky: The Chimp Who Would Be Human

    The story of a chimp being raised by humans —and washing the dishes (p.130). NIM CHIMPSKY: THE CHIMP WHO WOULD BE HUMAN Bantam Books, 2008, 269 p., $23.

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  12. Health & Medicine

    Tame-walk potion

    A one-two sting and a cockroach lets a wasp lead it like a dog on a leash.

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