Nature highlights

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

• Rice genomics: Chromosomes 1 and 4 cross the finishing line
• Planetary Science: Impact Factor
  
• Superconductivity: Plutonium superconductor
• Diabetes and obesity: JNK universal target
  
• Clean energy: Towards a hydrogen economy
• Immunology: Avoiding rejection
• Evolution: Flat out for feathers
  

21 November 2002 table of contents