Deadly Venom from Spiders and Snakes Can Also Heal What Ails You

TUCSON, Ariz. — In a small room in a building at the Arizona-Sonora Desert Museum, invertebrate caretaker Emma Califf lifts a rock in a plastic box. “This is one of our desert hairs,” she said, pointing to a three-inch-long scorpion with a curved tail on its back. “The largest scorpion in North America.” This captive […]