Society & Culture
Researchers are working to improve the lives of adult picky eaters. We break down who the Secret Service protects, and at what costs to taxpayers. Plus, there's a $700 kit that turns certain cars into self-driving cars -- and it works.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