Take a look at our planet's love affair with nicotine

Stories from a day in the life of the cigarette

Allen Carr believed he could make every smoker quit by debunking four smoking myths

Professor Westaby operates on a smoker's heart

The search for alien life is 50 years old, but a planet has been discovered that could support life.

Prof. Regan tests the scientific claims of supermarket products

A few isolated communities seem to hold the secrets to long life.

Lifting the lid on the business of human choices in an exclusive guide to making better decisions.