Column

  1. Math

    Mining the Yesternet

    Digital records allow social scientists to study online communities and the diffusion of innovation.

    By Ivars Peterson
  2. Math

    The Great Tile Debate

    For subway flooring, why switch from hexagonal to square tiles?

    By Ivars Peterson
  3. Math

    Knots in Proteins

    Knotted proteins are rare but more than just random occurrences.

    By Ivars Peterson
  4. Math

    The Eclipse That Saved Columbus

    An eclipse prediction in a book of astronomical tables helped Columbus out of a jam.

    By Ivars Peterson
  5. Math

    Math Factor Radio

    Listen in on some math radio and browse for science songs.