Find out why ancient shipwrecks remain preserved and intact in the basement of the Black Sea unlike any other place in the world. Travel deep into the sea's dead zone using remote operated vehicles. Discover why Bob Ballard, the famous oceanographer, sought a partnership with the Institute of Classical Archeology (ICA) at The University of Texas at Austin, subsequently hiring graduate research assistant Dan Davis to his crew. Underwater footage courtesy of the Institute for Exploration.

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This video shows some of my work on a petroglyph site that I found near El Paso, Texas in January 2010. The linear petroglyphs are found on limestone bedrock and are very difficult to see under normally lighting conditions. To reveal the details of the petroglyphs, a series of mildly convergent stereo pair images were collected to create a high-resolution 3D model of the glyphs. The process produced a 0.5 millimeter 3D model of the surface of the bedrock. Several pecked lines are apparent in the 3D model that are not easily visible otherwise.