Researchers at the University of California Riverside found in May 2026 that living systems distribute their amino acids more evenly than non-living chemistry does — a statistical pattern subtle enoug

A study published in May in Nature Astronomy proposes a way to separate biological chemistry from non-biological chemistry that does not depend on finding any particular molecule. The signal is not which compounds are present. It is how evenly they are spread across the sample. The paper, titled “Molecular diversity as a biosignature,” has Gideon […]