Experience teaches the immune system to recognize the self
Computer maps reveal the topography of arthritis
Sound-sensitive crystals bring computerized holograms to life
Antibodies cure a crippling disorder-but not in people
An ancient magnolia's DNA reveals its evolutionary roots
Neural net catches errors that slip through Pap tests
Ultrasound speeds the release of drugs from medical implants
What controls gene shuffling in the immune system?
A DNA repair system stops species from interbreeding
Can two new techniques shake up biotechnology?
Studies of nerve regeneration take a step forward
The not-so-holy engrailed reveals the path of evolution
Can mistakes and malnutrition explain Lamarckian bacteria?
Satellite "tethers " could provide power and thrust
Evidence grows that RNA was the first self-made molecule