The average temperature at 40,000 feet above sea level is -60 F.
56
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Balsa wood is classified as a hard wood!
41
The bark of an older redwood tree is fireproof.
65
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6