The recent discovery of the smallest arm bone in a human fossil is causing quite a stir in the scientific community. Researchers are eager to investigate what this unique finding can reveal about our evolutionary history. Could it provide insights into the development of early tool use or the transition to bipedalism? The possibilities are endless, and scientists are excited to delve into the mysteries this tiny bone may hold. Stay tuned as we await further revelations from this groundbreaking discovery.

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source: Phys.org