Aluminum used to be more valuable than gold!
84
The storage capacity of human brain exceeds 4 Terrabytes.
140
The average temperature at 40,000 feet above sea level is -60 F.
56
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
One 75-watt bulb gives more light than three 25-watt bulbs.
57
German chemists made a replica of a trophy the size of one molecule.
68
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Indoor pollution is 10 times more toxic than outdoor pollution.
62