Coins usually survive in circulation for about 30 years.
66
Tsunamis ( tidal waves ) travel as fast as jet planes.
97
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k
You burn more calories sleeping than you do watching television.
348
If the human eye was a digital camera, it would have 576 megapixels.
25
The name Joshua is Hebrew for 'Jesus'.
74
The number of births that occur in India each year is higher than the entire population of Australia.
66