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TIL that H1N1, the influenza strain that caused the 1918 flu pandemic, survived another 40+ years as a seasonal flu bug. It was finally “extinguished” by another flu virus, H2N2, in the 1957 flu pandemic. Even so, a “new” H1N1 emerged 50 years later to cause the 2009 “swine flu” pandemic.

Read more scientificamerican.com

via reddit.com

R5VM6 TIL Ted Bundy scored 39/40 on the Hare Psychopathy Checklist which is among the highest recorded scores of any serial killer
YpjaZ TIL: More than Half of all U.S. Presidents have come from just 4 states - New York, Ohio, Virginia, and Massachusetts.
0dpXR TIL that in the 18th century, there was a man named Charles Domery who reportedly ate an entire cat, then proceeded to eat the candles and the stuffing from his bed. He also allegedly ate live snakes and lizards, and claimed that his insatiable hunger was due to a "worm" in his stomach.
gAMX TIL it was Leonardo DiCaprio’s idea to include Matthew McConaughey chest bump in ‘Wolf of Wall Street’ after spotting McConaughey beating his chest as a way of relaxing himself before shooting scenes.
6ERQW TIL the entire world's population could fit inside Los Angeles.