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The 50-year-old scientific theory that is wrong

A scientist has proved that a theory called 'the Mpemba effect', held to be correct by the scientific community for over 50 years, is wrong.

In 1963 a Tanzanian man called Erasto Mpemba "proved" that in some circumstances, warmer water can freeze faster than colder water.

However Dr Henry Burridge from Imperial College London, tells ÃÛÑ¿´«Ã½ Radio 4's PM programme that although he should be delighted at proving the theory wrong, "It's actually very disappointing" because "I really hoped it would be true".

(Photo: Snowflakes Credit: Getty Images)

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3 minutes

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