Nature highlights

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

• DNA octahedra: Clonable structures for nanotechnology
• Geological time: Epoch making
• Electron transfer
• Galaxies behaving oddly
• Silicon gets photonics friendly
• Earthquakes from afar
• Insect evolution: Six legs good
• Diclofenac tops the food chain
• Respiration: Tree of life
• Susceptibility to leprosy

12 February 2004 table of contents