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TIL predatory dragonflies the size of modern seagulls were present on the earth about 300 million years ago. The leading theory suggests that their large size was due to high oxygen concentrations (over 30% unlike the 21% today) in the atmosphere.

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yx6M TIL Tupac Shakur was originally considered to play the part of Mace Windu in “Star Wars”, but was murdered before he could audition
JvA1 TIL of James Randi a psychic debunker and former magician that carries and will give a check of $1,000,000 (one million dollars) to anyone that can demonstrates any form of psychic, supernatural, or paranormal ability under satisfactory observation.
M7Qg7 TIL that a BBC variety program called "the Black and White Minstrel Show" — featuring white people singing and dancing in blackface — was broadcast until the late 1970s. Watched by 12-16 million Britons every week, it won awards and made it onto screens in many other countries, including Australia.
KOjAR TIL in 2012, a missing foreign tourist on a vacation in Iceland was found when it was discovered that she was in the search party looking for herself.
v17p7 TIL early rules for American football the field goal was worth more (5) than a touchdown (4) until 1898 touchdowns were increased to 5 points the two being worth the same until 1904 when field goals were reduced to 4. The modern point values weren't reached until 1912