The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
No matter how cold it gets, gasoline will not freeze.
107
Cold water weighs more than hot water.
93
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
