Scientists at the Swedish Museum of Natural History have found Fossils of 1.6 billion-year-old probable red algae. The spectacular finds, published in the open access journal PLOS Biology, indicate that advanced multicellular life evolved much earlier than previously thought. X-ray tomographic picture (false colours) of fossil thread-like red algae  [Credit: Stefan Bengtson; CCAL]The scientists found two kinds of fossils...

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