The strangers in your dreams are actually people that you've seen in real life.
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A cow produces around 200,000 glasses of milk in her lifetime.
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If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3