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A dermatologist investigates

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G8JJ TIL that Regina Rhode was a student at both Columbine High and Virginia Tech during both shootings
lokMa TIL that both Seth Macfarlane and Mark Wahlberg were due to be on flights involved in the 9/11 attacks but due to errors and last-minute changes they ended up not being on board.
XELoQ TIL about the holiday paradox and why time seems to go by more quickly as we age and when we are having fun. Our brain encodes new experiences, but not familiar ones, into memory, and our retrospective judgment of time is based on how many new memories we create over a certain period.
9Yod6 TIL drawings of battles between knights and snails appear in the margins of many texts from the 13th and 14th centuries. There is no known explanation for the meaning behind this recurring depiction.
x6eQk TIL There are only two remaining Northern white rhinoceros alive today, both are female and in captivity, causing this subspecies to be functionally extinct