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Scientists have discovered a new microorganism, Sukunaarchaeum mirabile, blurring the lines between viruses and living cells. With an exceptionally small genome, it relies on a host for many functions, yet possesses the ability to build its own ribosomes and mRNA, unlike viruses. This discovery, detailed in a bioRxiv paper, challenges existing definitions of life and could reshape our understanding of cellular evolution.

Prepared by Olivia Bennett and reviewed by editorial team.