2004

December   Living in a physical world I. Two ways to move material

2005

March         Living in a physical world II. The bio-ballistics of small projectiles
June             Living in a physical world     III. Getting up to speed
September   Living in a physical world    IV. Moving heat around
December    Living in a physical world    V. Maintaining temperature

2006

March         Living in a physical world VI. Gravity and life in the air
June            Living in a physical world VII. Gravity and life on the ground
September   Living in a physical world VIII. Gravity and life in water
December    Living in a physical world IX. Making and maintaining liquid water

2007

March         Living in a physical world X. Pumping fluids through conduits
June             Living in a physical world  XI. To twist or bend when stressed
September  Living in a physical world  XII. Keeping up upward and down downward