Cows can sleep standing up, but they can only dream lying down.
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The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
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The strangers in your dreams are actually people that you've seen in real life.
50
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
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