Trivial name of vitriol" (sulfuric acid), and "cream of tartar" (potassium bitartrate) borrowed their language from the kitchen. Many more names were based on color; for example, hematite, orpiment, and verdigris come from words meaning "blood-like stone", "gold pigment", and "green of Greece". Some names are based on their use. Lime is a general name for materials combining calcium with carbonates, oxides or hydroxides; the name comes from a root "sticking or adhering"; its earliest use was as mortar for construction. Water has several systematic names, including "oxidane" (the IUPAC name), "hydrogen oxide", and "dihydrogen monoxide" (DHMO). The latter was the basis
Guess What We Learned in School Today? Guess What We Learned in School Today? Guess What We Learned in School Today? (also released in the United States as I Ain't No Buffalo) is a 1970 film directed by John G. Avildsen and written by Eugene Price. The movie premiered at the Cannes Film Festival in 1970 and opened in the United States in 1971. Although it was shot before Avildsen's "Joe", it got distribution afterward due to "Joe's" success. Tagline: "Love American style with a touch of X." Parents in a small, conservative community want to ban sex education in schools, labeling it a Communist plot. However,