Antarctic Snail Shells Dissolving November 26, 2012 | Chicago Tribune As waters of the Southern Ocean become more acidic, the shells of some sea snails... USGS Historical Topographic Map Collection April 3, 2012 | USGS "The goal of the Historical Topographic Map Collection was to create an electronic collection of... New Frog Species Found in New York City? April 4, 2012 | National Science Foundation "In the wilds of New York City--or as wild as you can get that close... Climate Change Already Impacting Ecosystems and Species December 23, 2012 | USGS "Plant and animal species are shifting their geographic ranges and the timing of their life... Who Becomes Dominant After a Mass Extinction? May 3, 2013 | National Science Foundation "These scientists have identified an outcome of mass extinctions--that species ecologically marginalized before the extinction... North American Fish Extinctions August 14, 2012 | USGS "From 1900-2010, freshwater fish species in North America went extinct at a rate 877 times... Europe’s Oldest Cave Art June 19, 2012 | University of Bristol Paleolithic paintings in El Castillo cave in Northern Spain date back at least 40,800 years... Ending the Diamond Slump in Australia? March 2, 2012 | Business Insider Low diamond prices and a strong Australian dollar have caused problems for the Australian diamond... |