The Maxwell Game challenge has now closed!
We hope you enjoyed it and thank you for taking part. And the winner of the iPad2 is... John Atkinson.
Well done!
You can still register and play for fun. But get ready the next challenge begins in the Summer.
Simply complete your details opposite to begin playing the Maxwell game.
So why not have a go - it's addictive!
Please note: You can only play if you work in a UK life science research organisation or company such as a university, pharmaceutical/biotech company or hospital laboratory.
Please see terms & conditions and don't forget please play nicely – it's just more fun!*
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*Any dubious scores from suspected interference with the normal running of the game will be immediately disqualified