Tic-tac-toe (or “Noughts and Crosses”) is a game simple enough to implement in any computer system: indeed it’s often used in beginner’s programming courses. A more challenging project, and arguably ...

While strands of DNA may be able to pick fights with other strands, one thing that they can't do yet is play computer games -- that is, until now. In what appears to be an early proof-of-concept for ...

Logic gates made of DNA could one day operate in your bloodstream, collectively making medical decisions and taking action. For now, they play a mean game of in vitro tic-tac-toe From a modern chemist ...