Middle Paleolithic stone tool technology is defined by deliberate core preparation to produce flakes of predetermined size and shape. First appearing in the archaeological record between 200,000 ...

Edging keeps things neat and tidy in your yard, and if you want it to stay on theme with your garden being au naturale, check ...

Their complex, waffle-like shape emerged and became more complex through these repeated wet-dry cycles. Since these newly discovered polygons have a similar shape, they may have been formed ...