Emily Sohn

All Stories by Emily Sohn

  1. Tech

    Beyond bar codes

    A new tracking technology uses plastic tags that pick up and respond to radio waves.

  2. Animals

    Poor Devils

    When Tasmanian devils bite each other, they may pass on a fatal disease.

  3. Health & Medicine

    Eating Troubles

    Researchers are zeroing in on what causes certain people to see food as the enemy.

  4. Animals

    Red Apes in Danger

    The population of orangutans in northeastern Borneo appears to be falling rapidly.

  5. Chemistry

    Mother-of-Pearl on Ice

    Scientists have found a way to copy the mother-of-pearl structures that oysters make.

  6. Health & Medicine

    Spit Power

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

  7. Animals

    A whale’s amazing tooth

    The narwhal's long tusk may sense changes in water temperature and pressure, helping the sea animal survive in the Arctic.

  8. Environment

    Plant gas

    Trees, grasses, and other plants may produce the greenhouse gas methane.

  9. Animals

    Professor Ant

    Certain ants can teach other ants the route to a food source.

  10. Physics

    Snowflakes and avalanches

    To protect people from avalanches, researchers are taking a close look at snowflakes and the snowpack.

  11. Health & Medicine

    Hear, Hear

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

  12. Humans

    Stone Age sole survivors

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