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TIL The Last Universal Common Ancestor (LUCA) is Believed to br a Microbe That Existed About 4 Billion Years Ago!

Read more astrobiology.nasa.gov

via reddit.com

8aErP TIL that in 1906 Eleanor Roosevelt bought a chicken-wire cage to hang out the window of her New York City townhouse for her first child, Anna, to nap in—a practice known as “airing” for city dwelling children
8ekw4 TIL that newborns can sleep up to 16-17 hours a day, but in short bursts.
WgLB TIL that the first African American elected to state office in Texas after the Civil War was also a democrat, a woman, and a lesbian.
kJlZm TIL that mountain lions, cougars, panthers, and pumas are all the same animal
R5gQ8 TIL that the "moving sofa problem" is an unsolved problem in mathematics. The "sofa constant" is the size of the largest object that can fit through a hallway with a right turn, and is somewhere between 2.2195 and 2√2