Rare Find: Unique Chromosomes Preserved In 180 Million Year Old Swedish Fossil

Somewhere around 180 million years ago, during the Jurassic period, the southern Swedish county of Skåne was a tropical paradise populated by dinosaurs and volcanoes. One sudden volcanic eruption caused a fern to be preserved instantaneously and now researchers from Lund University and the Swedish Museum of Natural History have made a unique discovery; both undestroyed cell nuclei and individual chromosomes have been found in the plant fossil. read more

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