Ancient Greeks believed that redheads turned into vampires after they died.
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Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
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When Charles Darwin first discovered the Galapagos Tortoises, he tried to ride them!
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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An underwater forest off the coast of Alabama that is 50,000 years old was uncovered by Hurricane Katrina.
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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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