Sound travels about 4 times faster in water than in air.
408
The average temperature at 40,000 feet above sea level is -60 F.
56
One cubic foot of gold weighs more than 1,200 pounds!
78
The average home creates more pollution than does the average car.
33
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The smell of freshly cut grass is actually a plant distress call.
31