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b'"Humans are meant to excel. And when you start pushing that and seeing how capable we are, it\'s phenomenal what you can actually go and do." \\n-Justin Packshaw \\n\\nWhen Justin Packshaw was trekking in Antarctica several years ago, he noticed something disturbing: The ice shelf had visibly melted since his previous visit, just a few decades prior. "In the grand scheme of how old our world is, and its present state, that\'s a really quite frightening thing," he said. And with that, he had an idea. Not all scientists have the time, resources, or, frankly, the stamina to conduct invaluable in-person research in the heart of Antarctica, which holds the record as the world\'s coldest, windiest, and driest continent. But Justin did. \\n\\nHe and his adventure partner, Jamie Facer-Childs, proposed a data-gathering mission to several universities: They would cross Antarctica\'s heart and gather critical scientific data about climate change. But other agencies were interested in the trip as well. \\n\\nAs it turns out, pushing the human body to its limits - physically, psychologically, mentally - is one of the key areas of research for space agencies like NASA and the European Space Agency. Justin and Jamie\'s expedition would collect critical data on behavior, coping abilities, teamwork, endurance, even eyesight, that would be invaluable for future space missions in which astronauts will live for years in a space no larger than a studio apartment. \\n\\nThis is a good, old-fashioned adventure romp - but it\'s more than that too. It\'s also a story about science, psychology, Mars, and climate change. It\'s about how we cope with the most extreme physical challenges imaginable and ultimately how that defines us as humans.\\n\\nFIND JUSTIN\\nLearn more about Justin and his adventures at his website, JustinPackshaw.com, or follow him on Instagram @JustinPackshaw. Find more details about the Antarctica expedition at ChasingTheLight2021.com. \\n\\nSOCIAL\\nShare the show with your friends! Subscribe to the podcast wherever you\'re listening, follow @armchairexplorerpodcast on Instagram and Facebook, check out\\xa0Armchair Explorer\'s website, armchair-explorer.com, and learn more about APT Podcast Studios on their\\xa0website at APTpodcaststudios.com.\\n\\nCREDITS\\nThis episode was produced by Armchair Productions. Find our other shows at armchair-productions.com. Jenny Allison wrote and produced this episode, along with host and producer Aaron Millar. Charles Tyrie did the audio editing and sound design. Theme music written by the artist Sweet Chap.\\nLearn more about your ad choices. Visit megaphone.fm/adchoices'