As global warming continues and space technology improves, there is more and more talk about the growing possibility of a sci-fi future in which humans become a multiplanetary species. Specifically, that we could live on Mars. Biologist Kelly Weinersmith and cartoonist Zach Weinersmith have spent four years researching what life on Mars would look like if we did it anytime soon. In their book A City On Mars, they get into all sorts of questions: How would we have babies in space? How would we have enough food? They join host Regina G. Barber and explain why it might be best to stay on Earth. Check out Kelly and Zach Weinersmith's book A City On Mars.Have another space story you want us to cover on a future episode? Email us at [email protected] — we'd love to hear from you! Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy

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