The SciencesMarch 1, 1990
Who's the Dealer?
What controls gene shuffling in the immune system?
Stories by John Rennie
John Rennie is a former editor in chief of Scientific American.
HealthFebruary 1, 1990
Antibody Bonanza
Can two new techniques shake up biotechnology?
The SciencesFebruary 1, 1990
Kissing Cousins
A DNA repair system stops species from interbreeding
HealthJanuary 1, 1990
Nervous Excitement
Studies of nerve regeneration take a step forward
EvolutionDecember 1, 1989
Old Gene, New Trick
The not-so-holy engrailed reveals the path of evolution
HealthNovember 1, 1989
Hungry to Evolve?
Can mistakes and malnutrition explain Lamarckian bacteria?
Space & PhysicsOctober 1, 1989
Spacecraft on a String
Satellite "tethers " could provide power and thrust
The SciencesSeptember 1, 1989
In the Beginning
Evidence grows that RNA was the first self-made molecule