The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Aluminum used to be more valuable than gold!
84
Sound travels fifteen times faster through steel than through air.
134
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A cubic yard of air weighs about 2 pounds at sea level.
31
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65