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TIL that, while mating, hermaphroditic (having both male and female sexual organs) species of flatworms engage in penis fencing, battling violently to decide which of the two will be the father. The winner stabs his penis into the loser to inseminate it.

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OoAOg TIL In a study of the mental health of students, higher levels of prayer were associated with better mental health as measured by lower psychoticism scores. However, in Catholic schools, higher levels of prayer were also associated with higher neuroticism scores.
yVNYV TIL Calvin Collidge Jr. died as a result of a blister after playing Tennis at the White House without socks
4XwZJ TIL the actor playing Hedorah the Smog Monster in a 1971 Godzilla film came down with appendicitis. Doctors were forced to perform surgery while he was still wearing the monster suit due to the length of time it took to take off. During the operation he learned that painkillers had no effect on him.
d8d89 TIL a man declared dead in 2010 rail accident was found alive in Kolkata. His family had claimed a compensation of ₹400k and a government job for his sister.
xVbp0 TIL the Ozone layer is healing and is expected to do a full recovery by 2060.