What Lives? A meta-analysis of diverse opinions on the definition of life

• URL: http://arxiv.org/abs/2505.15849v2
• Date: Wed, 06 Aug 2025 12:47:41 GMT
• Title: What Lives? A meta-analysis of diverse opinions on the definition of life
• Authors: Reed Bender, Karina Kofman, Blaise Agüera y Arcas, Michael Levin,
• Abstract summary: No single definition for life has yet achieved universal acceptance.<n>Advances in synthetic biology, artificial intelligence, and astrobiology challenge our traditional conceptions of what it means to be alive.<n>We use a methodological approach that leverages large language models to analyze a set of definitions of life provided by a curated set of cross-disciplinary experts.
• Score: 1.0419257013133403
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: The question of "what is life?" has challenged scientists and philosophers for centuries, producing an array of definitions that reflect both the mystery of its emergence and the diversity of disciplinary perspectives brought to bear on the question. Despite significant progress in our understanding of biological systems, psychology, computation, and information theory, no single definition for life has yet achieved universal acceptance. This challenge becomes increasingly urgent as advances in synthetic biology, artificial intelligence, and astrobiology challenge our traditional conceptions of what it means to be alive. We undertook a methodological approach that leverages large language models (LLMs) to analyze a set of definitions of life provided by a curated set of cross-disciplinary experts. We used a novel pairwise correlation analysis to map the definitions into distinct feature vectors, followed by agglomerative clustering, intra-cluster semantic analysis, and t-SNE projection to reveal underlying conceptual archetypes. This methodology revealed a continuous landscape of the themes relating to the definition of life, suggesting that what has historically been approached as a binary taxonomic problem should be instead conceived as differentiated perspectives within a unified conceptual latent space. We offer a new methodological bridge between reductionist and holistic approaches to fundamental questions in science and philosophy, demonstrating how computational semantic analysis can reveal conceptual patterns across disciplinary boundaries, and opening similar pathways for addressing other contested definitional territories across the sciences.

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