Phys iconPhysSep 28, 2026

Hibernating bacteria can invade hospitals and survive outer space—but their energy budget reveals a weakness

A spore is a bacterium's survival capsule: dried almost solid and wrapped in protein armor, with its chemical processes shut down. Bacteria enter this state of hibernation when environmental conditions are unfavorable.

Hibernating bacteria can invade hospitals and survive outer space—but their energy budget reveals a weakness

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A spore is a bacterium's survival capsule: dried almost solid and wrapped in protein armor, with its chemical processes shut down.

Bacteria enter this state of hibernation when environmental conditions are unfavorable.

It can survive boiling, desiccation, radiation and the vacuum of space.

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The useful part

A spore is a bacterium's survival capsule: dried almost solid and wrapped in protein armor, with its chemical processes shut down. Bacteria enter this state of hibernation when environmental conditions are unfavorable. It can survive boiling, desiccation, radiation and the vacuum of space.

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It can survive boiling, desiccation, radiation and the vacuum of space.

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