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Mathematician and code-breaker Alan Turing, and his role in the invention of the computer.
BBC World Service Online
Mathematician and code-breaker Alan Turing, and his role in the invention of the computer
Suppressed research into how bird flu could become more infectious has now been released.
Marek Kukula explores the science behind the Transit of Venus 2012.
Physicist Tejinder Virdee on the search for the elusive Higgs boson at Cern.