- 3 - 20Animal LocomotionOct. 27, 1995
- 3 - 19PopulationsOct. 20, 1995
- 3 - 18BirdsOct. 13, 1995
- 3 - 17WetlandsOct. 06, 1995
- 3 - 16Human TransportationSep. 29, 1995
- 3 - 15FishSep. 22, 1995
- 3 - 14Spinning ThingsSep. 15, 1995
- 3 - 13MammalsSep. 08, 1995
- 3 - 12Ocean LifeApr. 28, 1995
- 3 - 11WavesApr. 21, 1995
- 3 - 10ClimateApr. 14, 1995
- 3 - 9GermsApr. 07, 1995
- 3 - 8FrictionMar. 31, 1995
- 3 - 7Water CycleMar. 24, 1995
- 3 - 6EvolutionFeb. 17, 1995
- 3 - 5EnergyFeb. 10, 1995
- 3 - 4Rocks & SoilFeb. 03, 1995
- 3 - 3PlantsJan. 28, 1995
- 3 - 2PressureJan. 21, 1995
- 3 - 1Planets & MoonsJan. 14, 1995