43 - Navigation

Summary: <p><span>Wether it's a human trying to figure out the quickest way to the airport, a salmon returning to the waters where they were born, or a dog trying to figure out the perfect place to poop, almost everyliving thing uses some sort of innate or technological navigation system every day. </span></p> <p><span></span></p> <p><span>Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! </span></p> <p>If you want to learn more about any of our main topics, check out this episode's website at scishowtangents.org!</p>