How do porcupine quills come out so easily?

Today's question comes from Oliver. Oliver wants to know, how do porcupine quills come out so easily? Dr. Danger and Super Eddie discuss why porcupines have quills and what makes them come out. Dr. Danger shares how one time she got poked by a cactus, which is kind of like a porcupine.  Like the podcast? Leave us a review on Apple Podcasts! Check out our Facebook page or get in touch on Instagram @DrDangerScience.  Submit questions to the podcast here.  Get full access to Dr. Danger Science at emilydangremond.substack.com/subscribe