One barrel of petroleum holds 42 gallons.
20
In zero gravity, a candle's flame is round and blue.
16
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Nylon is made from coal and petroleum.
42
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Scientists are now able to grow 'beating' heart tissue in a lab!
162