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Author: Rachel Thomas
Some molecules  thalidomide, for example  come in both left and right handed versions, while others are indistinguishable from their reflections. Plus finds out about the role of mathematical symmetry in chemistry.

Ballet and mathematics  not a combination that you often come across, but one that works beautifully in Frederick Ashton's 1948 ballet, Scénes de ballet. From the geometric patterns on the men's tunics and the perpendicular angle of the ballerina's tutu, to the movements and positioning of the dancers themselves, this ballet is a celebration of mathematics. Ashton was inspired by mathematics, and, according to the programme notes, used a system of Euclidean geometry to choreograph the piece.

A test invented by the mathematician Alan Turing in 1950 is helping to stop spammers.


What do tying your shoe laces and Santa's Christmas Eve journey have in common?


Using their Xray vision, astronomers have for the first time found two black holes in the same galaxy, and taken a peek inside a neutron star.

A rare first edition of Newton's mathematical masterpiece has been stolen! And is Newton the Greatest Briton?

NASA uses mathematics to predict lightning strikes at the Kennedy Space Centre

Despite its title, Carl Djerassi's latest play, Calculus, is more like a lesson in history or even psychology than one in mathematics. This is because Djerassi's intention was to explore the moral calculus that was involved in the discovery of the mathematical technique, rather than the technique itself.
