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Scientists Find The Biggest Soft-Shelled Egg Ever, Nicknamed 'The Thing'

A new study of dinosaur eggs as well as a football-sized egg from Antarctica shows how some ancient creatures relied on soft shells rather than hard ones.
An artist's interpretation of a baby mosasaur hatching from an egg in the Antarctic sea.

In 2018, paleontologist Julia Clarke was visiting a colleague named David Rubilar-Rogers at Chile's National Museum of Natural History. He showed her a mysterious fossil that he'd collected years earlier in Antarctica. He and his coworkers called it "The Thing."

"It was weird enough that they decided to collect it, even though it wasn't clear what it was. It definitely wasn't bone, but it was strikingly unusual," recalls Clarke, who works at the University

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