The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
The bark of an older redwood tree is fireproof.
65
Sound at the right vibration can bore holes through a solid object.
134
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12