National Geographic: The Exxon Valdez oil spill is not just an awful memory. Oil from one of the most devastating environmental disasters in U.S. history still clings to boulder-strewn beaches in the Gulf of Alaska-and could stick around for decades. Researchers presented evidence of a lingering, foamy, mousse-like emulsion this week at the Ocean Sciences meeting in Honolulu, Hawaii.
Chemical analyses find that this 25-year-old oil is from the Exxon Valdez spill, when the tanker ran aground on Bligh Reef in Prince...