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These fascinating science facts prove that reality is often stranger—and a lot more interesting—than fiction These ...

How far it is from the sun: 886 million miles (1.4 billion kilometers), on average How big it is: 72,400 miles (116,500 km) across, or almost 10 times the size of Earth. How many moons it has: At ...

Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

Whether they work on climate change, evolution, vaccine safety, or any of a host of other issues, scientists frequently face resistance from people offering “alternative facts.” How did we come to ...

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