California highway dig unveils four new whale species

During the first half of the previous decade, workers at a highway-widening project in California's Leguna Canyon uncovered a huge batch of fossils. Because the state of California mandates the presence of a paleontologist and an archaeologist at such digs, many of these fossils were identified as unique and scurried… » 2/20/13 11:20am 2/20/13 11:20am