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TIL: There are more payday lenders in the US than there are McDonalds

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B7eL TIL that approximately 8% of all rams (male sheep) exhibit an exclusive sexual preference for other rams and this preference is linked to a decreased volume of a particular brain region compared to “straight” rams.
9Ypy7 TIL Daniel David Palmer, the father of chiropractic maintained the notion and basic principles of chiropractic treatment were passed along to him during a seance by a long dead doctor. Before learning of spinal adjustment from a supernatural entity, he was also a magnetic healer.
ZPMY TIL that “in darkness most people eventually adjust to a 48-hour cycle: 36 hour of activity followed by 12 hours of sleep. The reasons are still unclear.”
pY0gb TIL individual brain size can vary almost twofold among typically developing humans
AKkg TIL that the FBI sent MLK Jr. a letter trying to convince him to commit suicide