• World's oldest heart preserved in 380 million-year-old armored fish

    8 days ago - By Ars Technica

    Researchers have discovered a 380 million-year-old heart-the oldest ever found-alongside a separate fossilized stomach, intestine, and liver in an ancient jawed fish, shedding new light on the evolution of our own bodies. Credit: Alice Clement/Curtin University
    A team of Australian scientists has discovered the world's oldest heart , part of the fossilized remains of an armored fish that died some 380 million years ago. The fish also had a fossilized stomach, liver, and intestine. All the organs were arranged much like similar organs in modern shark anatomy, according to a recent paper...
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