
Down Memory Limbo
New research shows that between fear and recall
lies a no-man's-land where long-term memories can vanish

Down Memory Limbo
New research shows that between fear and recall
lies a no-man's-land where long-term memories can vanish

When Sperm Meets Egg
The sex life of sea urchins shows that the answer to fertility is NO

DNA Junk and Lupus

Battling Lyme Disease
Most experts maintain the Lyme vaccine's risks are small, but a few patients don't think so

Nanobending

Interview with Paul Nurse
This biologist has followed his interests from "fur and feather" to cell cycles and cancer control

Stopping Prions from Going Mad
Researchers scramble to learn how to disarm the infectious agents behind mad cow disease, scrapie and their human counterpart, Creutzfeldt-Jakob disease

Interview with Roderick MacKinnon
The winner of last year's Lasker Award discusses some of Mother Nature's finest architecture

The Human Genome Race
A tale of the Tortoise and the Hare... and the fly and the worm and the mouse

Plastic Bodies On Display
Do plastinated corpses cross the line between science education and desecration?