What hinged surfaces on a plane's wingtips allow the aircraft to roll?

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What decade witnessed the invention of the automatic bowling pinsetter?

What slot on the back of an arrow's shaft keeps it on the bowstring?

What does a red flag mean in auto racing?

Where is the Track and field Hall of Fame located?

Pretoria is the capital of which African country?

What two countries share land borders with Tunisia?

What chemical element is a bright yellow solid at room temperature?

What sitcom drew an audience of 80.4 million viewers for its final episode, in 1993?

Who is known as Slim Shady?

To protest an unpopular tax, which US state's residents held the "Whiskey Rebellion" in 1794?

Who did Harry Truman dismiss as commander of the UN forces in Korea in 1951?

In which year did India gain its independence from the United Kingdom?

Approximately 95% of the jellyfish's body is made up of what?

What is the name of Tony Chu’s daughter in the "Chew" comics series?

Which river carved the Grand Canyon?