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TIL Jack Johnson, the world’s first heavyweight champion, was convicted of the Mann Act

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YYLx TIL nutrient laden sand from the Sahara desert travels more than 3,000 miles to fertilize soil in the Amazon. It is one of the leading reasons for the extreme biodiversity of the region.
941B TIL that atheist organizations have been granted tax exempt status, under the same law that grants it to churches. “Moreover, the IRS cites to a number of cases where state and federal law have recognized non-theist organizations as tax-exempt religious organizations"
b6LAE TIL that 1 in 20 people who take commercial DNA tests like those offered by ancestry.com discover that one of the people they thought was their biological parent is actually not their biological parent.
MebQ8 TIL A Kilogram was previously defined by the weight of a platinum-based ingot locked in a safe in Paris. It has been used since 1889. The General Conference on Weights and Measures decided to redefine Kilogram in terms of an electric current.
KY9ZR TIL there are 78,000 people in the "Unorganized Borough" of Alaska, which has an area of 323,440 sq mi (still larger than Texas the second biggest state). This is equivalent in population to Chelan County, Washington, or one-twentieth of Manhattan, less than one square mile.