Few may realize just how important plants were to the great Charles Darwin. Luckily, Dr. James Costa is bringing Darwin's botanical interests to the forefront with his latest book, "Darwin's Backyard: How Small Experiments Led to a Big Theory." As if this book wasn't exciting enough, each chapter concludes with DIY instructions on how you and your friends and family can replicate some of Darwin's experiments in your own backyard. This is one conversation you don't want to miss! This episode was produced in part by Allan, Clifton, Katherina, Shane, Amy, Caitlin, Rosanna, Mary Jane, Jennifer, Sarah, Christopher, Sienna & Garth, Troy, Margie, Laura, and Mark.