Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Nearly 50% of the world's scientists are assigned to military projects.
71
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Nylon is made from coal and petroleum.
42
Hot water can freeze faster than cold water.
181