Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
Cows can sleep standing up, but they can only dream lying down.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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In the last 7 years, humanity has discovered 43 potentially habitable planets.
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