http://www.newsweek.com/diamond-found-earth-1026382 > Sound waves may have detected huge numbers of diamonds lying beneath the Earth’s surface. > An international team of scientists says that diamonds might be scattered in the Earth’s crust and mantle, according to a June 19 study released in the journal Geochemistry, Geophysics, Geosystems, MIT announced Monday. The scientists set out to research a seismic anomaly and found something surprising—and shiny.