The Earth's atmosphere weighs about 5.5 quadrillion tons.
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The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
One 75-watt bulb gives more light than three 25-watt bulbs.
57
One cubic foot of gold weighs more than 1,200 pounds!
78
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Cold water weighs more than hot water.
93