What disease grounded astronaut Ken Mattingly from Apollo 13?

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Tin or aluminum is the traditional gift for which anniversary?

HO scale is the most popular size of what?

In Larry Niven's novel "Ringworld', what is the drug that extends human life to near immortality?

What baseball player is Santiago's hero in "The Old Man and the Sea"?

In 1986, a brittle O-ring seal was determined to be the cause of what?

Whose movie character's full name is Charles Lee Ray?

Name Dan Hartman's first solo hit?

Which actor received the first Academy Award?

Fred Schneider was a member of which famous band?

What was the name of the dog in the TV series "Fraggle Rock"?

What famous rapper's real name is Aliaune Thiam?

What was the codename of the Allied invasion of French North Africa in 1942?

To what tribe did Chief Tecumseh belong?

What is the study of rocks and their formation called?

From which state does the US band "The Great Divide" originate?