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Unbelievable Facts

The world’s quietest room is -9 decibels, quiet enough to hear your blood flowing. It is so quiet that the longest anybody has been able to bear it is 45 minutes.

31 Unbelievable Facts That Make the Harry Potter Movies Even More Magical

31 Unbelievable Facts That Make The "Harry Potter" Movies Even More Magical

Anytime you see an ingredients list that includes carmine, cochineal extract or natural red 4, the product contains crushed up bugs. follow us to get more facts: http://unbelievable-facts.tumblr.com/

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