Testing astronauts' lungs in Space Station airlock
Paris (ESA) Mar 12, 2015 - Air was pumped out of the International Space Station's air lock for the first time in the name of science last week. Inside the cylindrical Quest airlock, ESA astronaut Samantha Cristoforetti and NASA's Terry Virts monitored their breathing for researchers back on Earth. With each lungful of air, our bodies absorb oxygen and exhale waste-product molecules such as carbon dioxide and the im ... more

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