All about Mars, with our guest Dr. Matt Siegler. Plus, space cocktails, the best type of fake dirt, and Vegemite.

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Find more info about Helen and Liz at our podcast website: wewanttobelievepod.com

Follow us on Instagram: @WeWanttoBelievePod

Email us with your questions, thoughts, or your own spooky X-files-style stories here: wewanttobelievepod@gmail.com

Buy Liz's young adult novel, Mighty Millie Novak, a ...