Daily Roundup: March 25, 2011

Late Notice: Problems with the EPA's radiation sensors could delay emergency warnings by several hours. Los Angeles Times

Grave Danger: Two workers at Japan's Fukushima nuclear power plant were treated for radiation burns after being exposed to contaminated water, fueling fears of a possible breach of the reactor core. Japan's prime minister said that the situation is "grave and serious." Atlanta Journal-Constitution, NPR, and Daily Mail

Joe vs. the Volcano: A fire sparked by the Kilauea volcano in Hawaii has burned 2,000 acres of national park land. Firefighters are still struggling to contain the blaze, which threatens endangered plants and animals. Honolulu Star-Advertiser and Chicago Tribune

Blast from the Past: A shovel operator unearthed a dinosaur fossil in Canada's tar sands. A rare discovery, the ankylosaur is Alberta's earliest complete dinosaur fossil. Reuters

Sigh of Relief: Firefighters have gained control of a Colorado wildfire that forced residents of 9,500 homes to evacuate. CNN 

--Della Watson