Sir Isaac Newton calculated the precise date of when the world will end

Sir Isaac Newton may be one of the most influential geniuses of all time, but not all his theories were schoolbook-worthy.

Yes, the British polymath discovered gravity and revolutionised our understanding of the universe, but he was also pretty unorthodox in many of his pursuits.

Alongside his scientific and mathematical successes, Newton also put forward some less convincing theories. For example, as the bubonic plague tore through England in 1665, he recommended that sufferers try sucking on “lozenges” made of powdered toad mixed with the dead reptile’s own vomit.

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