FACT-OF-THE-DAY ARCHIVE
"Our life is what our thoughts make it."
- Marcus Aurelius
JUL 2013

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DATE FACT OF THE DAY 7/1/13      Holes drilled as deep as 5 miles into the Earth's surface reveal that the rock temperature increases about 37 degrees Fahrenheit per 320 feet. Even on the deepest sea floor, rock remains slightly above freezing. - Provided by RandomHistory.com

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