Indoor pollution is 10 times more toxic than outdoor pollution.
62
Iron weighs more after it rusts.
16
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Liquid TIDE laundry detergent glows under a blacklight.
96
The average temperature at 40,000 feet above sea level is -60 F.
56
Balsa wood is classified as a hard wood!
41