How Do They Do It? - S9E4 - Guacamole; Swamp Buggy; Scissors

  • Documentary, Science, Educational
  • TV-PG
  • 21 min
  • Jul 26, 2012
  • HD
How volcanoes help produce the world's best guacamole; building a truck that can cross a swamp; Fiskars scissors.
Cast: