Paleontologists found one of the fossil casts in 2019, in the collection of the Natural History Museum in Berlin. When Nazi pilots bombed a precious "sea monster" fossil to smithereens during a World War II London air raid, a detailed black-and-white illustration of the predatory marine reptile, known as an ichthyosaur , was the only visual record that remained of the pulverized ancient bones. At least, that's what paleontologists thought. Now, scientists have uncovered two long-lost plaster casts of the skeleton in museums — one in the United States, and one in Germany. The fossil — which had been excavated...