Sea snail compound reduces cancer risk

The remarkable ability of a small Australian sea snail to produce a colourful purple compound to protect its eggs is proving even more remarkable for its potential in a new anti-cancer pharmaceutical.

Researchers develop basic computing elements for bacteria

The "friendly" bacteria inside our digestive systems are being given an upgrade, which may one day allow them to be programmed to detect and ultimately treat diseases such as colon cancer and immune disorders.

Top New Zealand scientist Paul Callaghan dies

(AP) -- Sir Paul Callaghan, a top New Zealand scientist who gained international recognition for his work in molecular physics, has died after a long battle with bowel cancer. He was 64.