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The power of ants

Find out how these humble animals have inspired computer algorithms to solve complex real-world problems.
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Our changing picture of gravity

To celebrate the recent centenary of the first major test of Einstein's general theory of relativity, we look back over how our picture of gravity has changed.
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Synchronised swimming

How do green algae manage a perfect breaststroke even though they haven't got a brain? Enter the maths of synchronisation.
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Pure maths in crisis?

Proof is the essence of mathematics. But is the standard of proof in research maths really as high as mathematicians would like to believe?