Researchers say they’ve solved the mystery of the missing dinosaur eggs
Fifteen years ago, Mark Norell came across a clutch of dinosaur eggs in southern Mongolia. Frozen in place were at least a dozen embryos of the Triceratops relative Protoceratops. But “something weird” was going on, says the paleontologist, who works at the American Museum of Natural History. Image: M. ELLISON/© AMNH
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