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TIL vegetarian/vegan diets have been linked to drops in sperm quality. The current theory is many vegetarian/vegan diets exchange meat for soy products. Soy has been found to interfere with sperm production with doctors suggesting to not ingest soy 74 days prior to attempting to conceive.

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9Y5nX TIL its Bachelor's Day in Ireland. It is an Irish tradition that takes place on Leap Day. Women can initiate dancing and propose a marriage. If the proposal was rejected, the man was expected to buy the woman a silk dress or, by the mid-20th century, a fur coat.
VBKGB TIL about the self-propelled barge T-36, which drifted 49 days across the North Pacific Ocean in 1960 after being disabled, with all sailors on board surviving the journey by rationing three days' supply of food. Returning to the Soviet Union, the crew had popularity close to that of cosmonauts.
XEgPX TIL That wifi signals can be dangerous according to the world health organization
vpdL TIL: The American Thyroid Association is adamant that only 5-20lb weight gain can be attributed to hypothroidism and “hypothyroidism doesn’t cause obesity”.
e0K6D TIL Manta rays have the largest brains of any fish — with specially developed areas for learning, problem-solving, and communicating; they might even recognize themselves in mirrors, a sign of self-awareness