In zero gravity, a candle's flame is round and blue.
16
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The storage capacity of human brain exceeds 4 Terrabytes.
140
Nearly 50% of the world's scientists are assigned to military projects.
71