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TIL that "assload" and "buttload" have different origins. "Assload" originally referred to the load a donkey could carry, while "buttload" referred to the volume a "butt", a type of large cask, could hold.

DkkJ TIL Women’s right to vote passed thanks to the vote of Harry Burn, a 23-year old representative. Although he opposed the amendment, his mother convinced him to approve it with a note that said “Don’t forget to be a good boy”
neAZW TIL that no one has ever measured the one-way speed of light. In fact it is undefined. All measurements of light speed are done using two-way (mirror) setups. It is entirely possible that light travels at c from A to B, and instantaneously from B to A, for a round trip speed of c.
5Y9dR TIL: The wings of dragonflies prevent bacterial growth due to their natural structure. The surfaces of their wings are covered in nanopillars making them look like a bed of nails. When bacteria come into contact with these surfaces, their cell membranes get ripped apart immediately.
JYlW1 TIL the “my phone is listening in on me” meme is not entirely baseless: Study's findings suggest that eavesdropping activity would not be detected by current security mechanisms. Not only microphones, but also seemingly harmless motion sensors are a potential eavesdropping channel in smartphones.
JY45l TIL There are 11 musicians who have been inducted into both the Rock and Roll Hall of Fame and the Country Music Hall of Fame. They are Jimmie Rodgers, Hank Williams, Chet Atkins, Johnny Cash, Elvis Presley, The Everly Brothers, Bill Monroe, Bob Wills, Brenda Lee, Floyd Cramer, and Sam Phillips.