A lake of what, not water, sometimes fills Hawaii's Kilauea volcano?

Which Tom Clancy novel is called "À la poursuite d'Octobre rouge" in French? A lab assistant for DuPont in 1966, who later set up his own Wail'n Soul'm music label and became a legend? Ireland suffered a lack of food, a potato what, in the 1840s? What is a woman with literary or intellectual interests sometimes called? A lake on the New York-Vermont border is named for which explorer who visited the region in 1609? Which word means both a football score and a landing made by an aircraft or spacecraft? Which Middle Eastern language became the sixth official language of the UN General Assembly in 1973? Complete the Lao Tzu line: "A journey of a thousand miles begins with..."