Nature highlights

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

• Palaeontology: An unusual predatory dinosaur
• Martian geochemistry: Deep water sources
• Quantum optics: Speed of light, zero
• Genomics: Pathogenic E. coli
• Microbiology: Archaea in the ocean
• Carbon cycle: River transport
• Stellar formation: Shaping by dynamo

25 January 2001 table of contents