• Contributed by Sterling Clover
  • Contributed by Tim Chevalier
  • Contributed by Andrew J. Bromage
  • Contributed by Andrew J. Bromage
  • Contributed by Tim ChevalierI don't know about houseflies, but we definitely caught a lot of fruit flies with our vinegar bowl.  Hooray science!
  • I first saw this problem on the Google Labs Aptitude Test.  A professor and I filled a blackboard without getting anywhere.  Have fun.
  • Facebook defines relationships.  'Yeah, we would have broken up last night, but the net connection was down.'