Olduvai Gorge in northern Tanzania boasts sediment layers dating back to about 1.8 million years ago. Those layers contain simple stone tools that marked one of the earliest recorded technological ...
A biochemical analysis of a rare Clovis-era stone tool cache recently unearthed in the city limits of Boulder, Colo., indicates some of the implements were used to butcher ice-age camels and horses ...
Three stone artifacts from a 13,000-thousand-year-old Clovis-era cache unearthed recently in the city limits of Boulder, Colo. are shown by University of Colorado at Boulder anthropology Professor ...
More than 80 stone implements were discovered together in Boulder city limits by landscapers. A biochemical analysis of a rare Clovis-era stone tool cache recently unearthed in the city limits of ...
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