| |  |  |        While it takes 67 muscles to frown and only 17 to smile, the 17 smiling muscles must exert 6 times more force to maintain the configuration. Unknown  Cheeky
       - 17 years, 5 months, 27 days ago |  |  |  |        A newly-discovered type of tree in the Amazon basin will slowly move itself closer to a water source (up to 2 inches per day) by growing more roots on the water-rich side and discarding them on the water-poor side. The tree has not yet been named.  Unknown  Cheeky
       - 17 years, 6 months, 14 days ago |  |  |  |        • Each year, an average of 192 Americans make Emergency Room visits due to being stuck by porcupine quills.Unknown  Cheeky
       - 17 years, 6 months, 17 days ago | 
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