Brain Strain

Brain Strain

Men that will boldly do THIS will earn on average $1,600 more per year than men that won't so THIS?

Brain Strain
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Brain Strain

Only two states in the U.S. can grow this important plant. What are the states and what is the plant?

Brain Strain
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Brain Strain

The White House is the most visited house in America. What is the 2nd most visited house?

Brain Strain
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Brain Strain

Almost all of us have one of these but under 5% of us actually have two?

Brain Strain
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