New Guinness record: Last August, a student at the Tokyo Institute of Technology piloted a car to an average speed of 65.5 miles per hour. Big deal, you say? Well, this is now the world’s fastest car powered by dry-cell batteries, 192 AAs, to be precise. The 11-foot-long car, weighing in at a mere 83 pounds, was made of carbon fiber-reinforced plastic.

“Do your own thing” was a mantra of the hippie-era 1960s, but what 19th-century American is credited with coining the phrase?

A) Abraham Lincoln

B) Ralph Waldo Emerson

C) P.T. Barnum

D) Davy Crockett

Wednesday’s answer: Since Harry Truman appointed Georgia Clark in 1949, all of the 14 people serving as treasurer of the United States have been women.