Uncategorized

  1. Humans

    From the December 16 & 23, 1933, issues

    STRENGTH OF CRATES TESTED BY TOSSING An important phase of the work of the timber mechanics department of the U.S. Forest Products Laboratory at Madison, Wis., has been to perfect the designing and nailing of these boxes so that their durability is greater. Chemically treated nails and reinforcement by diagonal braces have given more rigidity […]

    By Science News
  2. Ecosystems

    Brazil Nut Loss Looms: Harvest may be too heavy to last

    A study of 23 spots in Amazonian forests has raised the question of whether the collection of Brazil nuts—praised as a model of gentle forest use—has reached such levels that it may not be sustainable.