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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Sony researchers have developed a refrigerator that only opens when you smile.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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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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