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Debate surrounds $25000 prize won by undergraduate for
universal Turing machine problem
CAPTCHA if they can
A test invented by the mathematician Alan Turing in 1950 is helping to stop spammers.
What computers can't do
looks at the life and work of wartime code-breaker Alan Turing. Find out what types of numbers we
count and why there are limits on what can be achieved with Turing machines.
Why we want proof
What are mathematical proofs, why do we need them and what can they say about sheep?
David Spiegelhalter's new book Sex by numbers takes a statistical peek into the nation's bedrooms.
Maths in a minute: Local connectivity
How crinkly is crinkly?
Slow down, Universe!
The Universe's expansion may not be accelerating as fast as we thought.
The future of proof
Will computers ever replace human mathematicians?
Tweets by @plusmathsorg
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