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TIL it is a myth that bats use their echolocation to deftly maneuver around one another. High speed cameras show that bats crash into each other all the time.

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vPRN7 TIL the number of glass-related injuries in the Oklahoma bombing in 1995 led to the review of glass used in buildings 'at risk', and a modern blast-resistant standard can be seen at work in the laminated glass windows shot at by a disgruntled individual in the Canberra Airport, Australia this week.
oBM6Y TIL that in June and September 1963, President Kennedy federalized thousands of Alabama National Guardsmen in order to enforce desegregation in Alabama and end Governor Wallace's blockade of the University of Alabama and an Alabaman public school
PYb6g TIL Nashville Zoo is located on property that was once a 300-acre slave holding farm. When construction for the zoo began in 1997, this graveyard was not disturbed. It was only in 2013 did the zoo petition to have the bodies exhumed, revealing 9 to 30 African-Americans buried there
kOwvd TIL that about 200 people die on cruise ships every year, forcing ships to be required to have body bags and a morgue.
d8xrj TIL McDonald's in Sedona, Arizona is the only McDonald's with turquoise instead of golden arches, because the government deemed the yellow ones to be contrasting too much with the surrounding area's scenic rock and opted for bluish-green arches instead.