by Stephanie Smelyansky figures by Jovana Andrejevic Nature knows to quit when it’s ahead–just take a look at the horseshoe crab. Since its origins 450 million years ago, the animal has remained relatively unchanged. This living fossil continues to trudge through shallow, brackish waters, its large tank-like shell protecting its soft, wriggly underbody, looking for tiny worms and mollusks to scoop into its belly, just … Continue reading Curing Cancer with the Help of a Living Fossil: The Horseshoe Crab