An archeological team in Venezuela has discovered 20 rock art sites that date back thousands of years in Canaima National Park, in the southeastern part of the country. While archaeologists have found similar rock art designs elsewhere in South America, the newfound art "represents a new culture previously unknown," José Miguel Pérez-Gómez, an archaeologist and researcher at Simón Bolívar University in Caracas who is leading the team, told Live Science in an email. Some of these designs, which researchers call "pictograms," were drawn in red and depict geometric motifs such as lines of dots, rows of X's, star-shaped patterns and...