Nature highlights

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

• Geology: A chip off the old continents
• Proteomics: Protein interactions in a human pathogen
• Molecular clouds: Mapping by starlight
• Avian evolution: Early flight
• Climate change: Ground rules
• Climate: Model answers
• Circulation: Antithrombotic target
• Macrophages: Blood ties

11 January 2001 table of contents