Earth and Human Activity

  1. Environment

    A vulture’s hidden enemy

    Vultures may be getting a deadly dose of medicine from the carcasses they feed upon.

    By Sorcha McDonagh
  2. Plants

    City trees beat country trees

    Cottonwood trees grow better in New York City than in rural places around the state.

    By Emily Sohn
  3. Humans

    Digging for ancient DNA

    Soil has yielded identifiable DNA of animals and plants that lived up to 400,000 years ago.

    By Emily Sohn
  4. Environment

    Cliff snails and rock climbers

    Rock climbers can accidentally wipe out communities of cliff snails.

    By Emily Sohn