In the 1950s, the NFL experimented with what new color for their footballs?

More Questions:

What Grand Slam sports event is held at Flushing Meadows, NY?

Which 18-year-old married 26-year-old Anne Hathaway in November 1582?

Philosopher Hannah Arendt's most famous book is named for what man "in Jerusalem"?

How many symphonies did Beethoven compose?

The Guggenheim Museum is located in what city?

What famous chemist died in 1934 from a blood disease contracted by the effects of radiation exposure?

In the Harry Potter series, who sings "I killed Sirius Black" to infuriate Harry?

What opera star sang with John Denver on the album "Perhaps Love"?

Who played Carrie in the movie of the same name in 1976?

What Robert Rodriguez film followed "El Mariachi"?

Who sang the song "We Didn't Start the Fire"?

In the 15th Century, in which ship did John Cabot sail to Canada?

The "Bodansky Unit", now an obsolete unit, used to measure the concentration of what in the blood stream?

What are the names of the "Trailer Park Boys"?

Managua is the capital of which country?