Discovery Hidden Inside 520-Million-Year-Old Rocks Solves a Longstanding ‘Evolutionary Enigma’

· Thedebrief · June 4, 2026, 12:22 p.m.
history Biology Archaeology cambrian explosion evolution Discovery Paleontology History of Life
Summary
An intriguing find in 520-million-year-old rocks sheds light on an evolutionary mystery, potentially altering our understanding of the evolutionary tree of life.
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