Modern obsidian scalpels look nothing like the decorative flint-knapped knives of Neolithic man, often resembling their modern counterparts in everything except for the blade edge, but Green said ...

Activision has a lot planned for Call of Duty: Modern Warfare coming this week ... coming in this update is the ability to unlock and Obsidian customized skin for weapons, as long as players ...

For modern day researchers ... Horton, the archaeologist for Yellowstone, as she displayed obsidian knives and spear points from the park’s archives. “How did they interact with this landscape?