Hot water can freeze faster than cold water.
181
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Out of all the senses, smell is most closely linked to memory.
146
The earth is approx. 6,588,000,000,000,000,000 tons.
175
If the chemical sodium is dropped into water it will immediately and violently explode.
67