Humans

  1. Science & Society

    Stone tablet may solve Maya mystery

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

    By Emily Sohn
  2. Humans

    Rodent rubbish as an Ice-Age thermometer

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

    By Emily Sohn
  3. Health & Medicine

    Teen Brains, Under Construction

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

    By Emily Sohn
  4. Psychology

    Pain expectations

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

    By Emily Sohn
  5. Humans

    Salt and Early Civilization

    Evidence from China suggests that people were making salt at least 4,000 years ago.

    By Emily Sohn
  6. Health & Medicine

    Screaming for Ice Cream

    Making ice cream better tasting, longer lasting, and more nutritious takes a lot of research.

    By Emily Sohn
  7. Humans

    A Plankhouse Past

    Unearthing an ancient Native American village provides glimpses of early life on North America's west coast.

    By Emily Sohn
  8. Archaeology

    Glassworks in ancient Egypt

    Ancient Egyptians were producing and exporting glass more than 3,000 years ago.

    By Emily Sohn
  9. Health & Medicine

    Nature’s medicines

    Projects by young scientists show how plants and animals in nature can be a source of new medicines.

    By Emily Sohn
  10. Health & Medicine

    Keeping Bugs Away from Food

    Cardboard containers coated with citronella oil keep bugs away.

    By Emily Sohn
  11. Humans

    An ancient childhood

    Knowing what the lives of children were like long ago can help us understand how cultures and societies change.

    By Emily Sohn
  12. Health & Medicine

    Food for Life

    New food guidelines emphasize that we should eat more fruits, vegetables, and whole grains.

    By Emily Sohn