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Scientists used a method from ecology to identify whether icy moons could hold conditions for life
- A research team applies ecology-based diversity theory to assess if icy moons could host life.
- The approach treats molecules like species, measuring how evenly they are distributed in a sample.
- Biological samples showed many complex amino acids in proportions similar to simpler ones.
- Nonbiological samples are usually sparser and dominated by simple molecules.
- Fatty acids in biological samples tended to have similar chain lengths.
- The study suggests molecular diversity can serve as a new biosignature.
- Diversity signals may persist thousands of years under ice with limited degradation.
- Future missions like Europa Clipper may use molecule proportions to infer life-related processes.
- The work links biology-friendly patterns to how life organizes chemistry for function.
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