SCIENCEWEEK November 7, 2003 Vol. 7 Number 45A Contents: 1. Plant Biology: On Hormones and Genetic Improvement of Crops 2. Medical Biology: On Ozone and Asthma 3. Medical Biology: On Asthma Prevention 4. Chemistry: On the Infrared Spectroscopy of Water 5. Chemistry: On Chirality 6. Chemistry: On Bond-Selective Catalysis =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=