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TIL in the near future a Respirocyte, an artificial red blood cell, will allow humans to sprint for 15 minutes without a breath or hold their breath for 4 hours underwater

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J170B TIL the Domesday Book, the oldest public legal record in England, from a survey in 1086. Shires were visited by royal officers, who held a public inquiry in the shire court. The unit of inquiry was the Hundred (a Hundred was comprised of ten Tithes of ten households). (Wapentakes in east England).
R7jJQ TIL Fran Drescher’s stalker changed how sitcoms were made. To stop him from sneaking into the studio audience of The Nanny, they began to cast the audience from extras. Good/loud laughers were picked in casting, making the show feel funnier to home audiences. This became an industry standard.
DQYgv TIL there are people who can sleep less, be more productive and physically fit and overall healthy
QNPpe TIL that Las Vegas is the U.S. city most likely to have people with discolored teeth (ranking 14th for highest percentage of smokers, 6th for tea shops per capita, 10th for coffee shops per capita).
4YN TIL 96% of the U.S. Population lives within 20 miles of a Wal-Mart