Sound travels fifteen times faster through steel than through air.
134
Sound at the right vibration can bore holes through a solid object.
134
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The bark of an older redwood tree is fireproof.
65
One cubic foot of gold weighs more than 1,200 pounds!
78
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The left ear is more responsive to words of love and emotion whispered into it than the right.
40