A new analysis of ancient arrowheads from South Africa pushes back prehistoric humans’ earliest use of poisoned weapons by more than 50,000 years. “This is the earliest direct evidence of the use of ...
Collection of auction catalogs (chiefly of stone implements) originally issued by the auctioneer, Robert N. Converse, and Robert N. Converse, Inc. "Volume 2." Vol. 1, also compiled by Haag, has ...
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