Helium, neon, argon, krypton, xenon and radon are collectively known as the “noble gases.” But what’s so noble about them? “Noble” came from a mistranslation of the original German “edelgas” or “immaculate gas,” referring to the gases’ nonreactive nature.

Baseball Hall of Fame pitcher Bob Feller made his major-league debut in 1936, before his 18th birthday, while still in high school. His exploits created such a national sensation that his May 1937 high-school graduation ceremonies were broadcast live on the NBC radio network.

Native to Indonesia, the animal known as the bat-parrot is:

A) A parrot that lives in caves

B) A bat kept in a cage as a pet

C) A parrot that sleeps upside-down

D) A bat that can be trained to talk

Answer Monday.

Thursday’s answer: Before Prince Andrew, the previous holder of the title duke of York was Queen Elizabeth’s father, King George VI. George VI was the second son of King George V.