Biology would teach us that animal noises are purely functional - the sounds animals make for attracting mates or warning of danger are evolutionary adaptations necessary for surviving in the wild but nothing more. Our guest today contends the story is more complex than what you learned in bio class. Animals can make music and it’s even possible to jam with them.

Heavy metal music might not conjure up images of positive mental health, but research shows that for some people, a little metal might be just what the doctor ordered. ​It’s time to challenge those negative stereotypes and learn about the health benefits of metal. While we’re at it, we’re going to find out why sharks love heavy metal too.