We’ve done almost no research into this area, but human reproduction in space is going to be key to us living on Mars. See the full article here: http://53eig.ht/2mwnHUZ CREDITS Design and Animation: Tom McCarten (www.tommccarten.com) Research and Narration: Maggie Koerth-Baker Writer and Producer: Christine Laskowski Sound Design and Music Editing: Redhorse Studio Art Director: Kate LaRue Production Support: Tony Chow, Lila Cherneff, Jorge Estrada Copy Editors: Colleen Barry, John Forsyth, Meghan Ashford-Grooms Senior science editor: Blythe Terrell Production Manager: Catherine Sankey Director of Video Development: Ryan Nantell Assistant Cel Animator: Luke Toth Produced for fivethirtyeight.com

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