In the last 7 years, humanity has discovered 43 potentially habitable planets.
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The strangers in your dreams are actually people that you've seen in real life.
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There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34
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
A cow produces around 200,000 glasses of milk in her lifetime.
373
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31