Science
John Glenn was the first American to orbit the earth, in how long a flight?
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What graced the left shoulder of an Apollo astronaut's training suit?
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Who discovered the supernova and was the first to theorize that stars "die"?
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When a dog repeats a learned behavior and gets a reward, what process is shown?
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Which abbreviation refers to a term that literally means "below red"?
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What is the ripened ovary of a plant containing the seeds?
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Which of these scientific terms is defined as the solid surface layer of a planet or moon?
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Who is credited with identifying HIV as the cause of AIDS?
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