Many of Africa's Pygmy peoples, such as the Mbuti of the Ituri Forest, live in which country, once called the Belgian Congo?

An ermine is a type of which animal, especially in its white winter coat? An escalator is often referred to as a moving what? Which word completes the British expression for a close escape from danger, "a narrow ___"? Which constructed language, introduced in 1887, has nouns that all end in "-o"? The largest share of people who applied for amnesty under the 1986 U.S. immigration reform lived in which state? What is it called when two couples go out together for an evening? A former DuPont chemist from New Hampshire introduced which brand of food storage containers in 1946? Which lively Spanish dance shares its name with a famous 1928 orchestral work by Maurice Ravel?