Fragments of the comet Wild-2 returned to Earth by Nasa's Stardust mission are examined under the dazzling light.
Conservation scientists bring samples of pigment from watercolourist Turner's studio and the walls of Pompeii.
Something is turning the brilliant red colour to a grimy black, but what is it?
Conservation scientists examine pigment from Turner's studio and Pompeii.
Unusual iron deposits are implicated in both Parkinson's and Alzheimer's disease.
Exploring the mysteries of earthworms.
How are they able to survive in the copper and arsenic-laced soil of an abandoned Devon mine?
A sample cell is loaded with hydrogen under terrifying pressure and then moved to Diamond, where it is squashed with unimaginable force.