Nature highlights

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

• Atmospheric science: Charging up the ionosphere
  
• Cosmology: Cosmic Doppler effect
• Climate change: Blowing in the wind
• Oceanography: Sea for carbon
• Ozone depletion: Forest produce
• Palaeontology: Southern mammals
• Taste receptors: Flavoursome amino acids

14 March 2002 table of contents