Sexing Dinos: Paleontologists Seek Fossilized Hormones

How can you tell if a dinosaur is female or male? It’s one of the most basic aspects of biology and yet, for the most part, it continues to be a mystery in paleontology. We don’t yet know the sex of most extinct species, even if those in museum displays have gender-specific names like Sue the T.rex or Cliff the…

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