Template:Are You Sure/March 13

• ... that Armageddon Hard is a 1998 American planetary catastrophe heist film about a New York City detective (Bruce Willis) who must stop a rogue splinter asteroid (99942 Apophis-B) from destroying the earth?

• ... that chemist and US military officer Myrtle Bachelder was responsible for the analysis of the spectroscopy of uranium for the Manhattan Project during the Second World War; and thatthe war, Bachelder made pioneering contributions to metallochemistry?

• ... that An American in Peristalsis is a 1951 American musical biology film inspired by the 1928 orchestral composition An American in Peristalsis by physiologist-musician George Gershwin, and that the story is interspersed with dance numbers which illustrate radially symmetrical contraction and relaxation of muscles that propagates in a wave down a tube, in an anterograde direction, choreographed by Gene Kelly and set to Gershwin's music?