Why was the Pentagon, headquarters of the Defense Department located outside of Washington, D.C., designed as a five-sided building?

A) To honor the five branches of the armed forces

B) To honor five-star generals and admirals

C) Because five roads surrounded the site

D) To make efficient use of office space

Answer Monday.

Thursday’s answer: The BBC radio announcer for the 1954 race in which Roger Bannister broke the four-minute mile was Norris McWhirter. Later that year, Norris and his brother Ross published their first edition of the Guinness Book of World Records.