Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Rio de Janeiro was once capital of Portugal, making it the only European capital outside of Europe.
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Sheep, goats, octopuses, and toads have rectangular pupils.
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If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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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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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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