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Published online 21 August 2003 | Nature | doi:10.1038/news030818-9
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DNA computer unbeaten at tic tac toe
Noughts and crosses automaton heralds medical robots.
A DNA computer called MAYA has won every game of tic tac toe it has played against human opponents - over 100 in all.
In the classic puzzle, also called noughts and crosses, two players take turns to bag squares of a three-by-three grid, battling to complete the first line.
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