IFLScience on MSN
The Clovis people made projectile points out of quartz crystals – possibly because they thought they had supernatural properties
The earliest hunter-gatherers in the Americas were expert stone knappers, and fashioned a variety of tools and weapons out of ...
Quartz crystals are difficult to knap due to size, hardness, and crystalline structure, making them a "low-quality" raw ...
A landmark archaeological site in Chile that shaped scientific understanding of when humans first arrived in the Americas may be tens of thousands of years younger than once believed, according to a ...
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