'Treasure trove' of dinosaur tracks discovered in Poland
                                
                                
                                    (Newser) -
                                    Hundreds of millions of years ago, "a very special sequence of events" took place in what's now the village of Borkowice in central-east Poland. As a result, geologists have discovered several hundred well-preserved dinosaur footprints—showing the extinct animals "running, swimming, resting, and sitting" in muddy earth,...