In 2011, a couple bought a box of textbooks for $10. Inside, they found a 25-cent bill signed by the president of the Republic of Texas, Sam Houston, and subsequently sold it for $63,250.
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Recently, archaeologists excavating in the old medieval town of Odense in Denmark uncovered 700-year-old barrels of poop - and, to their surprise, they still smelt.
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When Charles Darwin first discovered the Galapagos Tortoises, he tried to ride them!
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The word 'mile' is derived from the Latin word for 1,000 - the number of paces it took the average Roman!
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Leonardo Da Vinci predicted the mass use of solar energy as long ago as 1447.
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Romans used a plant called Silphium as contraception. They had so much sex that they drove it into extinction.
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