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How hard is a hard problem?

How can we distinguish between 'easy problems' and 'hard problems'...

From the Egyptian pyramids to modern sculpture, geometry has been...

Henry Briggs, the first Gresham Professor of Geometry, developed what...

Most people know the story of Newton and the apple...

How many colours are needed to colour a map? What...

How many colours are needed to colour a map so...

Edmond Halley presents a lecture about his friend, Sir Isaac...

Thomas Hirst (1830-1892) recounts the period of mathematical history through...

In 1972 the meteorologist, Edward Lorenz, delivered a lecture with...

And first, the fair PARABOLA behold, Her timid arms with...