The lining of the stomach is replaced every 4-5 days to prevent it from digesting itself

There is a volcano on Mars that is three times the size of Mount Everest

Astounding astronomy and space factoids

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There are more bacteria cells than human cells in the human body

Fascinating facts about the human body

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The lining of the stomach is replaced every 4-5 days to prevent it from digesting itself

Fascinating facts about the human body

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Astronauts on the International Space Station observe about 15 sunrises and sunsets every day

Astounding astronomy and space factoids

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Nuclear legacy

Physics phactoids

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Windy planet

Astounding astronomy and space factoids

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