Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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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
For every gallon of sea water, you get more than a quarter pound of salt.
45
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21