TIL That elephants stay cancer free as they have 20 copies of a key tumor-fighting gene; humans have just one. [source, comments]

TIL that while searching for the three missing civil rights workers in 1964 (Goodman, Chaney and Schwerner) in the Bogue Chitto swamp near Philadelphia Mississippi, the Navy searchers failed to find the civil rights workers, but did find eight other bodies. [source, comments]

TIL the sex worker arrested with Hugh Grant earned $1.6 million from publicity related to her arrest and used the money to buy a home in Beverly Hills and put her daughters through private school. [source, comments]

TIL that in parts of the UK, a rule from 1902 mandates that homes facing each other at the rear must be built 21 meters apart. This specific distance was determined by two urban designers who measured how far apart they could see each other's nipples through their shirts. [source, comments]