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Life Definition

All articles tagged with #life definition

SpudCell exposes how close we are to synthetic life—and how far we still are
science6 days ago

SpudCell exposes how close we are to synthetic life—and how far we still are

Scientists announced on July 2, 2026 that they created SpudCell, the first synthetic cell built from purified, nonliving components. While it can feed, grow, replicate genetic material and undergo a cell-like division, it is not autonomous: it relies on laboratory conditions and ongoing input of molecular machinery, and it cannot reproduce indefinitely. The milestone helps researchers study core cellular processes—membranes, gene expression, energy use, and growth—while offering potential safe, simplified platforms for disease research, drug delivery, and environmental sensing. It also highlights ongoing debates about what constitutes life, and underscores the need for safety, governance, and ethical oversight in synthetic biology.

Scientists Discover Microbe That Challenges Traditional Definitions of Life
science11 months ago

Scientists Discover Microbe That Challenges Traditional Definitions of Life

Defining 'life' remains a complex challenge, with scientists debating criteria such as metabolism, reproduction, and evolution, especially when considering microorganisms, viruses, and potential extraterrestrial life forms. The lack of a universal definition complicates astrobiological searches, prompting a focus on anomalies and broader criteria like self-sustaining chemical systems capable of Darwinian evolution, while acknowledging the limitations of Earth-centric examples.