To try to solve the puzzle of 云雀 Quarry, experts have turned to a special subfield of paleontology -- paleoichnology, 或者 the study of trace fossils -- to reconstruct exactly what happened on that spot, on that day, nearly 100,000 millennia ago.
Roughly 50 new dinosaur species are found each year, giving us a closer look at their prehistoric world like never before. Our 前一个 understandings of how 恐龙 looked and evolved are being revolutionized...
