Uncategorized

  1. Archaeology

    Massive Fishery Resurfaces in Amazon

    Native groups in an Amazonian region of Bolivia built a large-scale fishery and other earthworks at least 300 years ago, before the Spanish conquest.

    By
  2. Math

    Earth Hole

    What path would an object falling down a hole through Earth follow?

    By
  3. Humans

    From the June 16, 1934, issue

    Fanciful creations of the photographer's art, the possible addition of element 93 to the periodic table, and a Triceratops skull on display.

    By
  4. Backyard Nature

    Naturalist Jim Conrad has created a friendly, nicely illustrated introduction to studying nature, starting in your own backyard.