Can there be a definition of life? Many potential definitions have been proposed, but none has been accepted as absolute. How can we characterize and define life and living systems, especially in light of the potential for extraterrestrial life to be markedly different from life as we know it?
Hypothesis (less than 255 characters):
Counterhypothesis (less than 255 characters):
Background for the hypothesis: (max 1000 characters)