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TIL Overnight olfactory enrichment using an odorant diffuser improves memory and modifies the uncinate fasciculus in older adults

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pY9pQ TIL: Vampire bats can detect heat using a modified version of the receptor that responds to burning or capsaicin (spicy things). They can "see" at ~30 degrees C
xVvAg TIL that 18-35% of the population has a photic sneeze reflex where looking at the Sun or a bright light can cause them to sneeze.
b648N TIL Orval Faubus's sister, Bonnie, openly opposed him over attempting to block the integration of Little Rock Central High School in 1957
R5xEQ TIL of Sir Alex Ferguson, famous Scottish manager, who guided his team to a total of 13 League titles (~65% of all seasons in the Premier League, England’s top flight soccer league, as of his retirement). Never, in his 21 year tenure, placing outside the top 3.
ROrQ TIL of astronomer Guillaume Le Gentil who in 1760 went from France to India to measure the transit of Venus. He missed out on both chances to do so, contracted dysentery and nearly went insane. When he made it home he learned he had been declared dead, his wife remarried and his estate plundered