NASA wants to pay people $18,000 to lie in bed for 70 days.

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The space agency says it wants to study how long-term space missions affect the body, the Weather Network reports.

Lying in bed is a straightforward way to simulate microgravity without heading to space.

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During the experiment, participants will first be observed in normal gravity conditions. Then they will lie in a tilted bed for more than two months.

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