Daily Roundup: May 9, 2011

Babel Fish: Researchers have developed underwater computer technology that may help humans communicate with dolphins using the sounds the animals make in the wild. New Scientist

Safety First: Japan's Chubu Electric Power Company will suspend operations at its Hamaoka nuclear power plant in response to a request by Prime Minister Naoto Kan, who cited safety concerns. Scientific American and Time

Oops! TransCanada's Keystone pipeline leaked about 500 barrels of oil in North Dakota on Saturday. San Francisco Chronicle and Treehugger

May Day: Canada's Green Party leader Elizabeth May criticized the environmental record of Plains Midstream Canada, whose ruptured pipeline recently spilled 28,000 barrels of oil in Alberta. Global Toronto, Mongabay, and Canadian Press

What the Frack? Researchers from Duke University found contaminated drinking water in 68 samples collected near fracking sites in Pennsylvania and New York. Reuters

--Della Watson