Stephen Hill

Sniff 'n' shake - How do we distinguish between the sweet smell of a rose and the reek of rotten eggs? One man thinks it comes down to picking up good vibrations, says Stephen Hill

Chemical warfare at work

Young criminals leave no clues

Cars that grow on trees - Cheap, light, strong and easily recycled. Natural fibres could turn up in everything from cars to golf clubs, finds Stephen Hill

Science : The shape of diamonds to come

Technology

Technology : Squat cat gets cars off to a clean start

Technology

Technology : Green cars go farther with graphite

Hope springs from the Sea of Galilee