Sir Isaac Newton's interest in botany extended well beyond the fabled apple falling from a tree -- he also appears to have understood how water moves from roots to leaves over 200 years before botanists did.
Newton, who lived from 1643-1727, is known for his observations on the properties of light, the invention of calculus, and for his time as head of the Royal Mint, and president of the Royal Society, the leading scientific body of the day.
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