Remarkable 380-Million-Year-Old Heart Discovered – Shedding New Light on Evolution


Paleontologists have discovered a 380-million-year-old heart – the oldest ever found – alongside a separate fossilized liver, stomach, and intestine in an ancient jawed fish, shedding new light on the evolution of our own bodies. Vital new evolutionary clues are provided by the research, which found that the position of the organs in the body of arthrodires is similar to modern shark anatomy....

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