Pumice is the only rock that floats on water.
14
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Aluminum used to be more valuable than gold!
84
The storage capacity of human brain exceeds 4 Terrabytes.
140
4.5 pounds of sunlight strike the Earth each day.
27