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Is this the world's oldest animal fossil?

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A possible sponge fossil dating back 890 million years could be the oldest animal ever discovered. Not all researchers are convinced that the markings left in the rock were made by an animal but, if they were, the new find could give us an insight into the evolution of the first animals.

Read the research here: https://www.nature.com/articles/s41586-021-03773-z

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Academic
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science, nature video, fossil
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