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TIL the FCC had a ban on TV/radio media releasing tornado warnings until 1954 when Harry Volkman broadcast the first televised tornado warning in Oklahoma City, due to his belief the ban was costing lives.

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nWxJb TIL fleas need to consume blood for maturation of the ovaries in females and the dissolution of the testicular plug in males. However, a blood-only diets allow only 12% of larvae to mature, whereas blood and yeast or dog chow diets allow almost all larvae to mature.
9wZPX TIL that a researcher called Celia Sanchez-Ramos invented a biometric system that authenticates identity through the cornea instead of through the retina, which can allow for an identity match in under a second
kJglg TIL that childhood adversity including parental neglect, domestic instability, and maltreatment is strongly associated with increased neuroticism along with reduced agreeableness, conscientiousness, and extraversion in adulthood. predictors of chronic cynicism and impaired social functioning
8aL68 TIL the flag patches on a soldier’s uniform are reversed to mimic a real flag that if being carried into battle would flow backwards in the wind when marching forward into battle. If it were displayed normally it would look like the soldier was retreating.
gaAW TIL A world famous violinist played in a D.C. subway on a $3.5 million violin, just days after performing in Boston’s Symphony Hall. He played pieces only a handful of people in the world can play. After 43 minutes of playing he made $32.17 and some even threw pennies.