William E.H. Harcourt-Smith is a research associate in the Division of Paleontology at the American Museum of Natural History and associate professor in Anthropology at Lehman College, CUNY. Briana ...
Archaeologists recently stumbled upon a set of mysterious "ghost footprints" in the salt flats of a Utah desert. These unusual ancient tracks get their eerie name not because they are from an ethereal ...
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