What are we and where do we come from? A Catalan study rewrites the history of complex life

Source Summary

That you, reader, are now reading this article or that, while you read it, there are beings as fantastic as whales sailing the Mediterranean or tritons splashing in streams of Montseny surrounded by beeches, firs, holm oaks and oaks is thanks to a history of microbial promiscuity forged over millions of years, including viral infections.