A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21
Cows can sleep standing up, but they can only dream lying down.
745
Lurch, a Watusi bull, had the largest horns in the world.
32
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
The strangers in your dreams are actually people that you've seen in real life.
50
Your body is creating and killing about 2.4 million red blood cells per second.
17