Puzzled over questions that don't seem to have answers? Wonder what scientific research is up to? This is your opportunity to talk directly on the telephone to a panel of scientists.
In the chair Professor John Taylor , Department of Mathematics, King's College, London This week's panel:
Prof Eric Lalthwaite , electrical engineer
Prof Michael Day , anatomist Dr Chris Evans , psychologist Producer MICHAEL BRIGHT
Write, with your questions and telephone number, to Dial-a-Scientist, BBC, Broadcasting House, London W1A 4WW