Pumice is the only rock that floats on water.
14
Sound at the right vibration can bore holes through a solid object.
134
One cubic foot of gold weighs more than 1,200 pounds!
78
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A cesium atom in an atomic clock beats over nine billion times a second.
43
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15