Thanks to a mineral, this 310-million-year-old horseshoe crab has preserved an extraordinarily intact brain
Unlike bones and shells, which can last for millions of years, soft tissues are rarely preserved as fossils. But a new finding opens the way to the exploration of soft tissues, such as the brain. Specifically, it appears that arthropod brains can be preserved in a completely different way thanks to concretions made from an … Read more
