Yes, astronauts have to drink water that used to be pee – but their urine is treated extensively, until it is safer to drink than some tap water on Earth.
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The high court has determined that young Archie Battersbee is legally dead.
ECMO uses an artificial heart and lung to replace the entire function of the person’s own heart and lungs outside the body. And COVID is demanding more ECMO than we’ve ever used before.
California teenager Jahi McMath’s family refused to accept the diagnosis of brain death. Her case opens up a number of questions – among them – what role did race play?
Top contributors
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Associate Professor of Health Care Ethics, Saint Louis University
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Senior lecturer, Intensive Care Specialist, The University of Queensland
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Consultant Neonatologist and Professor of Ethics, University of Oxford
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Senior lecturer, Monash University
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Professor of Civil and Environmental Engineering, Florida International University