Blue eyes are the most sensitive to light, dark brown the least sensitive.
105
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
At the time of your birth, you were, for a few seconds, the youngest person on the planet.
30
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
Pollen can travel up to 500 miles in a day.
40
There is one slot machine in Las Vegas for every eight inhabitants.
58
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114