A ball of glass will bounce higher than a ball made of rubber.
73
The average temperature at 40,000 feet above sea level is -60 F.
56
In zero gravity, a candle's flame is round and blue.
16
The only letter not appearing on the Periodic Table is the letter "J".
180
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
According to studies, men change their minds two to three times more often than women.
72