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TIL On Oct 30, 2005, Rosa Parks, civil rights pioneer, was mourned when her casket was placed in the Rotunda of the U.S. Capitol for two days. She was the first woman and the second African-American to lie in state there. She was the 31st person and the first American not a U.S. government official.

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GM64 TIL that the philtrum (the groove in the middle of your upper lip) exists in all mammals. It’s much narrower in non-primates, and uses capillary action to keep the nose wet with saliva (ie. wet nose = good for dogs). A wet nose is better at trapping odors, hence the purpose of the philtrum.
Lkx0Q TIL that the "boy [who] stood on the burning deck" was Giocante Casabianca - a brave little boy on on board the burning L'Orient, who refused to leave his post without his father's orders. He didn't know that his father was already dead.
loEa TIL that Jeff “Skunk” Baxter, formerly of Steel Dan and The Doobie Brothers, is now a defense consultant and chaired a Congressional Advisory Board on missile defense. He is self taught, and got into defense consulting as a hobby.
5VLe9 TIL that trees can communicate with each other through a network of underground fungi, known as the "Wood Wide Web," to share nutrients, warn of dangers, and even support sick or dying trees.
neEBY TIL that, in 2009, a wastewater treatment plant in Baltimore suffered an Orb Weaver Spider infestation of unprecedented magnitude. The population was estimated to be over 100 MILLION spiders in over 140,000 cubic feet of web. If this happened in your home you'd have 17 million spiders inside.