Dinosaurs--Eggs

Roy Chapman Andrews (1884-1960)

Roy Chapman Andrews (1884–1960)

Roy Chapman Andrews traveled the world studying fossils, from mammals to dinosaurs, during the first half of the twentieth century. Andrews worked and collected fossil specimens for the American Museum of Natural History (AMNH) in New York City, New York. Throughout his career, Andrews collected bones of many animal species, including a previously undiscovered species of a horned and

Acid Dissolution of Fossil Dinosaur Eggs

Acid Dissolution of Fossil Dinosaur Eggs

Acid dissolution is a technique of removing a fossil from the surrounding rock matrix in which it is encased by dissolving that matrix with acid. Fossilized bone, though strong enough to be preserved for thousands or millions of years, is often more delicate than rock. Once a fossil is discovered, scientists must remove the fossil from its surroundings without damaging the fossil itself. Scientists have used chemicals to expose vertebrate fossils since

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