"Discovery: Human Body Harbors New Obelisk 'Lifeform'"

TL;DR
Stanford University researchers have discovered tiny virus-like 'lifeforms' called obelisks inside human mouths and guts, smaller than viruses but capable of transferring information to cells. These rod-shaped entities, found in nearly 30,000 distinct types, are neither standard life nor viroids, and their purpose remains unknown. Scientists are now investigating their relationship with host cells, bacteria, and fungi to determine their impact on human health.
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