This summer, young visitors to some of our UCM museums have the opportunity to participate in an exciting artist-led treasure hunt. Hidden Tales: the Riddle of the White Sphinx, created by Mark Wells and Sorrel May, and illustrated by Jennifer Bell encourages families to explore our museums in a different way... Author Mark Wells tells all here.

Fifty years ago, Cambridge mineralogist, Dr Stuart Agrell was given VIP treatment and a police escort after flying into Heathrow from the USA because he was carrying a bag full of very precious rock material. The samples were amongst the most expensive ever collected as they had been retrieved from the moon by two of the American Apollo 11 mission astronauts. The programme of their investigation was a remarkable and unprecedented example of international scientific collaboration, which still continues.

Guess what I’ve got in my bag? 50 years ago, Cambridge mineralogist, Stuart Agrell nonchalantly carried some of the most valuable rocks ever collected back to Cambridge in his holdall. (© Mirrorpix, reproduced with permission)