shucks - here was me thinking this might be a juicy science thread - only to find out it was all about theatres! Stage and screen are two of the numerous arts subjects that I pass the baton on during quiz nights.

OK, OK - for those that also opened this up with science in mind, without googling, who can name more than two of the six platinum group metals? And here's a tip - all were giving an airing here previously (I think when we were on about SGs).

stales