Episode details
World Service,27 Jul 1999,13 mins
Material X
Available for over a year
Can you beat our studio guests to identify the substance in question from a series of clues?
Programme WebsiteUse BBC.com or the new BBC App to listen to BBC podcasts, Radio 4 and the World Service outside the UK.
World Service,27 Jul 1999,13 mins
Available for over a year
Can you beat our studio guests to identify the substance in question from a series of clues?
Programme Website