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TIL there are 16,000 acres of sand dunes in Alaska - Kobuk Valley National Park

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e0jQk TIL In 1858, Swiss astronomer Johann Rudolf Wolf published his formula for determining the daily sunspot number: k(10g + f); where g is the number of sunspot groups; f is the number of individual sunspots; and k is a calibration factor, different for each observer
pZJA TIL Dennis Rodman Was Pretty Much Kicked Out of N. Korea for Being Way Too Drunk
7Ne7 TIL Liverpool is the first city to open a fast-walking lane in response to residents complaining about chatters, pavement hoggers, and phone-watchers in the shopping area of St John Street
oAXW TIL a species of vulture has been found to fly at 37,000 feet (almost 2 miles higher than Mt. Everest). This was discovered in 1973 when a jet struck a bird at cruising altitude and had to make an emergency landing.
xV59D TIL that Samuel McCulloch, a freed slave, was the first Texian soldier to be wounded during the Texas Revolution, in 1835. A law later prohibited freed slaves from residing in the Republic of Texas, but specifically excluded McCulloch, his family, and his descendants in recognition of his service.