Scientists aren't sure what color dinosaurs were.
312
Scientists are now able to grow 'beating' heart tissue in a lab!
162
One 75-watt bulb gives more light than three 25-watt bulbs.
57
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
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
Hot water can freeze faster than cold water.
181