Life
Fossil of pregnant ground sloth discovered with fetus inside
Found in a Brazilian cave, the remarkable specimen of a ground sloth fetus inside its mother offers a rare insight into the developmental biology of the extinct mammal
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Found in a Brazilian cave, the remarkable specimen of a ground sloth fetus inside its mother offers a rare insight into the developmental biology of the extinct mammal
A diverse set of fossils from China shows that a complex marine ecosystem existed 251 million years ago, shortly after a mass extinction wiped out most complex life on Earth