Head under the dome for a whizz-bang series of interactive exhibits which are liable to bring out the mad scientist in kids and adults alike. Allow at least a couple of hours for button pushing, water squirting and knob twiddling. And you just haven't lived until you've set a tray of magnetised iron filings 'dancing' to Bronski Beat's Smalltown Boy . Upstairs there's a nightmarish collection of pickled organs and deformed fetuses courtesy of the university's medical faculty.