Nature highlights

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

• Follow the light
• Sport not for all
• FSH: stop and go
• Antitumour target
• Star formation: evidence of mass
• Cassini gathers dust — and pictures
• Bright future for 'optical' silicon
• Sea change for climate
• Creatures of the forest?
• Flying with dinosaurs
• cAMP followers
• In-flight movies

20 January 2005 table of contents