It’s Gene Kelly’s birthday: here the famous “Singin’ In The Rain” dance.
15 of the Dumbest Inventions in the 20th Century.
Photos of Victorian living rooms from the 1800s.
This 1957 film on how grocery stores work is a hoot.
NASA’s ambitious plan to save Earth from a supervolcano.
Gallery: the Topiary Trees of San Francisco.
ICYMI, Monday’s links are here, and include a latitude/longitude digits explainer, ranking sci-fi spacesuits, a Navy SEAL explains what to do if you’re attacked by a dog, and the weird journey of Dorothy Parker’s ashes.