Humans

  1. Health & Medicine

    Spit Power

    Saliva provides clues about diseases, dental cavities, and who might have been at a crime scene.

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  2. Humans

    Early Maya writing

    Archaeologists have found the earliest known example of Maya writing.

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  3. Health & Medicine

    Hear, Hear

    Listening to loud music or playing in a rock band without ear protection can lead to hearing loss.

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  4. Humans

    Stone Age sole survivors

    Researchers have uncovered the largest known collection of ancient human footprints.

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  5. Health & Medicine

    Flu Patrol

    Scientists are preparing for a possible flu epidemic.

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  6. Health & Medicine

    Training your brain to feel less pain

    People can ease pain by using their minds to reduce activity in a certain brain area.

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  7. Health & Medicine

    Taste Messenger

    Sensing a flavor requires an energy molecule to carry information from taste buds to nerves.

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  8. Health & Medicine

    From stem cell to any cell

    The search is on for ways to use stem cells to treat injuries and cure diseases.

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  9. Humans

    Stone tablet may solve Maya mystery

    A panel covered with hieroglyphs appears to connect little-known ruins with an ancient Maya city.

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  10. Humans

    Rodent rubbish as an Ice-Age thermometer

    Fossilized garbage piles left behind by pack rats provide clues about temperatures long ago.

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  11. Health & Medicine

    Teen Brains, Under Construction

    Spurts in brain development may help account for changes in teen behavior.

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  12. Psychology

    Pain expectations

    How painful you expect something to be beforehand can affect how you actually feel when you're hurt.

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