A riddle from my systems thinking teachers: A pond starts out with a single lily pad. The lily pads double each day. If, on the 30th of the month the pond is completely covered with lily pads, on what day is it half-way covered?
Extra credit: what does this have to do with our current situation?
When Uhura doesn't follow the young Chinese boy's instructions and gets her Tribble wet, Fred, Scoob, and the gang find themselves waist deep in a furry mystery!