![Popular Science Radio show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/031/052/small/popular-science-radio.png)
Summary: So there's water on Mars - what's all the hype about? Xploration Outer Space Host, Emily Calandrelli (<a href="https://twitter.com/thespacegal" target="_blank">@Thespacegal</a>), explains that water could point to microbial life, and microbial life on one of our closest neighbors could mean life is common in the universe!