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.
14
Cows can sleep standing up, but they can only dream lying down.
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The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14