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Paleontology

Artist's impression of an individual 525-million-year-old Cardiodictyon catenulum on the shallow coastal sea floor, emerging from the shelter of a small stromatolite built by photosynthetic bacteria.

525-million-year-old fossil defies textbook explanation for brain evolution

Researchers at New Jersey Institute of Technology and Colorado State University have reported the discovery of the oldest army ant on record, preserved in Baltic amber dating to the Eocene (~35 million years ago).

Oldest army ant ever discovered reveals iconic predator once raided Europe

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