'Do-it-yourself' science presented by Carol Mather and Professor Ian Fells of Newcastle University.
In the last programme of the series, studio guest Dr Frank Close explains how to build a universe out of quarks, leptons and bosons (what?), and takes Carol to see the inmates of the particle zoo... There's the story of the Yorkshire school that found itself to be one of the few independent sources of radiation monitoring after the explosion at Chernobyl last year.
And the winners of the competition to design a new exhibit for the Evoluon Science Museum in Holland are announced. (e)