Society & Culture
Are humans nutritous enough to make cannibalism feasible? Could Trump's proposed border wall be improved with a Hyperloop?. Plus: Should the FBI be able to use everyone's photos in their crime-solving facial recognition program?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