In zero gravity, a candle's flame is round and blue.
16
Scientists are now able to grow 'beating' heart tissue in a lab!
162
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Pure water (H2O) does not conduct electricity on its own.
46
Aluminum used to be more valuable than gold!
84
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116