Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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![Mushrooms are more closely related to humans than they are to plants.](res/uploads/fact/3457/mushroom-human-plants-285.jpg)
Mushrooms are more closely related to humans than they are to plants.
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During his or her lifetime, the average human will grow 590 miles of hair.
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Caffeine boosts memory.
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Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
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If you took a standard slinky and stretched it out it would measure 87 feet.
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Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
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Dartboards are made out of horsehairs.
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