Science & Discovery

Luigi Galvani conducting an animal electricity experiment on a frog in an 18th-century laboratory
Science & Discovery

How Luigi Galvani Tested Animal Electricity Without Metal

Luigi Galvani’s famous frog experiments led to a deeper question: was the electricity coming from the animal or from the metals in his apparatus? His later metal-free experiments helped move science toward the modern understanding of bioelectricity and electrophysiology.