The Surprising Science of Dinosaur Pee
The first possible dinosaur pee trace to be discovered was described only recently. At a 2002 meeting of the Society of Vertebrate Paleontology, Katherine McCarville and Gale Bishop reported on a strange “bathtub-shaped depression” among dozens of dinosaur tracks just south of La Junta, Colorado. The scour, set in the 150 million year old stone of a long-lost lakeshore, measures approximately ten feet long, five feet wide, and ten inches deep. The shape is similar to splats McCarville and Bishop created by streaming water onto sand.
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