Blue eyes are the most sensitive to light, dark brown the least sensitive.
105
The mile is Latin for 1,000. The number of paces it took the average Roman!
36
No matter its size or thickness, no piece of paper can be folded in half more than 8 times.
-64
Mentally doing a task makes you better at it. Your mind can barely tell the difference.
18
You are more likely to be killed by a champagne cork than a poisonous spider!
193
You burn more calories sleeping than you do watching television.
348
A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
140