Pandemic flu: from the front lines
Researchers describe the scientific and public-health challenges they face in battling the H1N1 virus.
Q+A: Forging a future for South African science
The country’s science minister talks about her priorities in lean times.
Customized disease models made by deleting rat embryo genes may be on sale soon.
Climate-control plans scrutinized
The Royal Society reviews options for fighting global warming with geoengineering.