Smells surround us: Astronauts say that space and the moon possess unique aromas, and many animals also have their own unmistakable odors. In this episode, Robert and Allison explore the science behind smells, from space to your local cow pasture.
Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm
And to learn about your ad choices when listening to podcasts, visit
https://www.howstuffworks.com/privacy.htm#ad-choices
