The Royal Photographic Society (RPS) in partnership with the Science and Technology Facilities Council (STFC) has put out a call for the world’s best scientific images. Scientists creating images to support their research and photographers making images to record science in all its aspects showing applications of diverse photographic techniques are encouraged to submit images. 100 of the best – selected by scientists, photographers, and those working in the field – will be included in an exhibition that will open in Newcastle in September 2013 as part of the British Science Festival and will then tour the UK and abroad.

Read more about The World’s Best Scientific Images 2013 – Call for Entries on Contest Watchers.

The world’s oldest photographic competition, organized by The Royal Photographic Society, has put out a call for entries for 2012. The 155th International Print competition is open to entrants until 21 March 2012 and has £6500 (approx $10,000) in cash prizes, Olympus Pen equipment and it will award medals to the winners. First held in 1854 the Royal Photographic Society’s International Print competition and exhibition is the world’s most prestigious. Submissions reflect all aspects of photography from documentary and contemporary work through to natural history, landscape and portraiture.

Read more about Call for Entries: The 155th International Print Exhibition 2012 on Contest Watchers.