A national charity has called for an additional GCSE in "core maths" to be introduced to teach pupils how to use numeracy to solve everyday problems. National Numeracy has called for the measure as ...

MARCUS DU SAUTOY:'You might think that catching criminals 'is all about finding physical evidence. 'Fingerprints, DNA. MARCUS DU SAUTOY:'But even when these clues aren't available, 'a mathematical ...