n Pop Culture Department: You’re no doubt familiar with the carbon-dioxide reaction that causes soda to spurt out of a can if it’s shaken before opening. The same science is at work if you shake a champagne bottle before popping the cork. But we suggest you don’t try this at home. If not removed properly, the cork will become a 30-mph missile and do some serious damage.

As stated by a character in the George Bernard Shaw play “Back to Methuselah,” what is “the most perfect expression of scorn”?

A) A yawn

B) A pun

C) Laughter

D) Silence

Answer Monday.

Thursday’s answer: According to the Census Bureau, the U.S. population reached 200 million in the first half of 1968, while Lyndon Johnson was president.


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