News tagged with stones

The Thunderstone Mystery

(PhysOrg.com) -- What's a Stone Age axe doing in an Iron Age tomb? The archaeologists Olle Hemdorff at the University of Stavanger's Museum of Archaeology, Norway, and Eva Thate are researching older objects ...

Jun 15, 2010 4.1 / 5 (8) 2

Reinventing the wheel -- naturally

Humans did not invent the wheel. Nature did. While the evolution from the Neolithic solid stone wheel with a single hole for an axle to the sleek wheels of today's racing bikes can be seen as the result of ...

Jun 14, 2010 3.6 / 5 (8) 2 | with audio podcast

Lemonade can help prevent kidney stones

(PhysOrg.com) -- We've all heard the expression, "when life gives you lemons, make lemonade." Passing a kidney stone would qualify for one of life's "lemons," but did you know that drinking lemonade has been shown to prevent ...

Apr 22, 2010 4.2 / 5 (5) 0 | with audio podcast