Nature highlights

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

• Seismology: Stresses and strains beneath an island volcano
• Homeland-security research: Mission impossible?
  
• Insect behaviour: Chemical restraint
• Planetary science: Asteroid family values
• Medicine: Round the block
• Cell biology: Changing the rings
• Immunology: Variety show
• Neurobiology: Channel vision
  

5 September 2002 table of contents