The website for online paper and session submission for the 2012 3-Society Meeting , to be held 11-14 July 2012 in Philadelphia, PA, is now available. Join your colleagues from the History of Science Society, the British Society for the History of Science and the Canadian Society for the History and Philosophy of Science next July for what promises to be an exciting and stimulating meeting in the city of brotherly love. The deadline for submissions is 5 December 2011. The webpage for submissions is at http://hssweb.org/callforpapers/ Please note that the dates for the 3 Societies Meeting have been moved by one day to 11-14th July 2012.