It seems like we largely take it for granted these days, but the fact that we have humans living in space is the realization of a scientific dream a century old. Visit the space stations orbiting Earth past, present and future in this episode.
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
