RADIO CHOICE

THERE are street pianos (pictured), a bit battered and out of tune, in London’s St Pancras Station, where nervous beginners give their first public performances, child prodigies gather admiring crowds, pianoless players get in some practice and polished professionals entertain cross-Channel executives with renditions of La Mer and Milord. ST PANCRAS PIANOS (RADIO 4, 11AM) follows the stories of some of these impromptu pianists.

PARASITIC worms are being used to fight such conditions as asthma and eczema. CROWDSCIENCE: CAN WE WORM OUR WAY INTO BETTER HEALTH? (BBC WORLD SERVICE, 8.30PM) hears from listener Michael, who describes how worms have helped him to deal with his allergies. Conversely, we also learn of the many life-threatening