A study of private water wells in reclaimed surface-coal-mining areas of the northern and central Appalachians shows that traces of mining-related contaminants persist in some wells, the U.S. Geological Survey reports.
In mid-December, the Antarctic Geological Drilling Program drilled to a new record depth of more than 3,280 feet below the seafloor in Antarctica, making it the most successful Antarctic drilling program to date in terms of depth and rock core recovered.