Cows can sleep standing up, but they can only dream lying down.
745
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140
Your thumb is about the same size as your nose.
124
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
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