Physiology or Medicine
Awarded jointly to: Andrew Z. Fire and Craig C. Mello
For their discovery of RNA interference — gene silencing by double-stranded RNA
Physics
Awarded jointly to: John C. Mather and George F. Smoot
For the discovery of the blackbody form and anisotropy of the cosmic microwave background radiation.
Chemistry
Awarded to: Roger D. Kornberg
For his studies of the molecular basis of eukaryotic transcription.
