Stories by John Rennie

The Body Against itself

Overview: Tolerating Self

Experience teaches the immune system to recognize the self

Anatomical Cartography

Computer maps reveal the topography of arthritis

Move Over, Mr. Spock

Sound-sensitive crystals bring computerized holograms to life

Of Mice and MS

Antibodies cure a crippling disorder-but not in people

Old Green Genes

An ancient magnolia's DNA reveals its evolutionary roots

Cancer Catcher

Neural net catches errors that slip through Pap tests

Tone of Relief

Ultrasound speeds the release of drugs from medical implants

Who's the Dealer?

What controls gene shuffling in the immune system?

Kissing Cousins

A DNA repair system stops species from interbreeding

Antibody Bonanza

Can two new techniques shake up biotechnology?

Nervous Excitement

Studies of nerve regeneration take a step forward

Old Gene, New Trick

The not-so-holy engrailed reveals the path of evolution

Hungry to Evolve?

Can mistakes and malnutrition explain Lamarckian bacteria?

Spacecraft on a String

Satellite "tethers " could provide power and thrust

In the Beginning

Evidence grows that RNA was the first self-made molecule