00Read later0Read MoreThis tiny claw in a 500-million-year-old fossil just rewrote the origin of spidersLatest Science News -- ScienceDaily·7 months ago#M0coPCJl#sciencedaily#fossildiscovery#ancientspiders#cambrianexplosion#article+1 more🧰Tag tools✨Add tagWhat started as routine fossil cleaning turned into a major scientific surprise when researchers uncovered a tiny claw in a 500-million-year-old specimen where no claw should exist.… Read more15s