They don’t actually disarm mines, but navies around the world use dolphins to find and tag sea mines so humans can disarm the mines themselves. But even if it’s safe, is it ethical?Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices
