Ever had a headache so big, you felt like drilling a hole in your head to let the pain out? In Neolithic times, trepanation – or drilling a hole into the skull – was thought to be a cure for ...
X-ray technology has allowed researchers a glimpse at the reaches of the Yellowstone landmark’s prized stone and its importance to Indigenous people. By Jim Robbins YELLOWSTONE NATIONAL PARK, Wyo. — ...
This lustrous rock can be found in nature, but it's easily accessible in stores. Intense, mysterious, and psychically potent, the Obsidian crystal captivates as much as it can perplex the curious ...
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