Humans

  1. Genetics

    Genes tell old story

    Ancient cells hold evidence of a massive die-off of Native Americans.

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  2. Health & Medicine

    Packing Fat Addtional Information

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  3. Health & Medicine

    Food for Life Additional Information

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  4. Microbes

    Surprisingly hardy flu germs

    Flu-causing viruses may live for days or even months outside the body.

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  5. Humans

    Digging into the Maya mystery

    In a Central American jungle, archaeologists and volunteers uncover ruins of the once-powerful civilization.

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  6. Humans

    Mummies share their secrets

    Cutting-edge technology such as CT, or CAT, scans and endoscopes are allowing scientists to see not just what’s underneath the wrappings but also what’s inside a mummy’s body.

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  7. Humans

    Old bones ignite fresh debate

    Scientists try to understand how 2 million-year-old fossils fit among ancient species.

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  8. Animals

    An elephant’s “aha!” moment

    A young elephant named Kandula passes a tricky test.

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  9. Health & Medicine

    Worms, your unlikely allies

    Parasites show promise in treating immune disorders.

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  10. Health & Medicine

    A viral sniff

    A common virus may get to the brain through the nose.

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  11. Health & Medicine

    Blood does a body good

    Studies of the superfluid aid in the prevention and treatment of diseases.

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  12. Health & Medicine

    Fats encourage overeating

    Scientists find that fats push an “eat more” button in rats.

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