Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
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In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
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At YouTube Headquarters, employees can either take the elevator, stairs or slide.
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Scientists in Germany have developed a candy that doesn't cause cavities.
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Leonardo da Vinci could write with one hand and draw with the other at the same time.
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