The roar that we hear when we place a seashell next to our ear is not the ocean, but rather the sound of blood surging through the veins in the ear.
476
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240
There are 365 steps on the front of the U.S. Capitol Building - one for every day of the year.
50
Each day, more than $40 Trillion Dollars changes hands worldwide.
37
In Georgia, there is an airtight room called the Crypt of Civilization that was sealed in 1940. It contains numerous artefacts documenting what life was like at the time of sealing, and is scheduled to be opened in the year 8113 to show people of the future exactly what life was like.
13
The mile is Latin for 1,000. The number of paces it took the average Roman!
36
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
Diamonds mined in Brazil are harder than those found in Africa.
40