This week: why Germany is developing cars that will be more efficient on the scrap heap as well as on the road. And how doctors can practise a steady hand with a simulator that always knows when to say 'Ouch'.
With Judith Hann, Howard Stableford, Kate Bellingham and Peter Macann.
Information Line: [number removed]. Calls cost 33p per minute off-peak and 44p per minute at all other times. Also on Ceefax page 627. Thursday and Friday only.