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What astronauts teach us about microbes

Even in a confined area like a space rocket, the microbial ecosystem remains dynamic and potentially pathogenic.   During a space flight, each astronaut introduces billions of microorganisms into the rocket--some of which could be a threat to the crew. The specific conditions of this kind...
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Living at altitude changes the composition of the skin

Although we know that the diversity of the cutaneous microbiota is influenced in part by the environment, we don’t know the effect of altitude on that ecosystem.   Living at very high altitude exposes the skin to extreme conditions: low atmospheric pressure, lack of oxygen, increased expo...
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