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Strange Genius: The Life and Times of Paul Dirac

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Editor's choice

Download a free PDF of the October 2009 issue

Opinion: January 2009

Reasons to be cheerful

The economy may be in a nosedive but there is plenty to look forward to in science this year

Read your thoughts

Letters becomes Feedback and now includes comments made to our online stories

Science toys

Tim Rowett is an avid collector of science-related toys. Robert P Crease and son drop in to play with them