Nature highlights

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

• Eocene global warming
• Neurons in the balance
• Photonics: Practice makes imperfect
• Sudbury crater: Impact factor
• Insects, shoots and leaves
• Sex roles reversible
• Malaria: A generous host
• Evolutionary genetics: Rats race
• Ageing effects of insulin
• RNA goes off-message

3 June 2004 table of contents