Jonathan Pinkel
Chattanooga , TennesseeSign up to view more activities from Jonathan Pinkel
Evening Trail Run
most mammals over a certain size (about 6.6 lbs) empty their bladders in approximately 21 seconds, a principle called the "Law of Urination,"
Afternoon Trail Run
Giraffes are 30 times more likely to be struck by lightning than humans
The hottest temperature ever recorded on Earth was 134 F
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