Building With Bacteria

How can bacteria produce chemicals like isoprene? What is gold chloride and how can bacteria turn it into pure gold? What are some applications of genetically-modified bacteria?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