There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Each day, up to 150 species of life become extinct.
-23
Pure water (H2O) does not conduct electricity on its own.
46
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Out of all the senses, smell is most closely linked to memory.
146