1. The book most stolen from libraries is an edition of The Guinness Book of Records.
  1. June 5th is World Environment  Day.
  1. Frame rate is the frequency – 24 per second – at which consecutive images in a television picture, film or video are displayed.
  1. The Aston Martin DBS first appeared in the Bond film Goldfinger.
  1. The chemical symbol Hg denotes mercury.  ‘Hg’ comes from Hydragyrum, the Greek for liquid silver.