Archaeon’s lack of metabolism challenges definitions of life

Mule

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A question that is not the same as asking whether something is alive

Asking ‘what is life?’ is a good way to start arguments in science. As a recent informal poll suggests, no two individuals are likely to give the same response, the differences perhaps being even more marked the more the respondents have pondered the issue. Some say it’s just a sterile (that would be ironic) or semantic question.