Wood sharpens stone: Boomerangs used to retouch lithic tools - Phys.org

A new study into the multipurpose uses of boomerangs has highlighted how the hardwood objects were used to shape the edges of stone tools used by Australian Indigenous communities.

A new study into the multipurpose uses of boomerangs has highlighted how the hardwood objects were used to shape the edges of stone tools used by Australian Indigenous communities. The research, pub… [+3081 chars]

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