Nature highlights

Key research and analysis from this week's Nature magazine.

• Decline of the fittest:
  Trophy hunters target gene pool
  
• Photosynthesis: Combined harvester
• Cloverleaf quasar: Stars studied
• Light storage: Stop and go
• Geomorphology: Mountain controversy
• The evolution of disease
• Fisheries: Stock taken
• Perception: Getting a grip on shapes
• RNA polymerase in step

11 December 2003 table of contents