Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Iron weighs more after it rusts.
68
Pure water (H2O) does not conduct electricity on its own.
46
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Pumice is the only rock that floats on water.
14
Balsa wood is classified as a hard wood!
41
Most dust particles in your house are made from dead skin!
67