In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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You forget 90% of your dreams.
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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Mars had an oxygen-rich atmosphere around 4 billion years ago
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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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