Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
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
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Scientists are now able to grow 'beating' heart tissue in a lab!
162