Carl Zimmer with Melissa Hughes | Modern-day genetics study has come a long way from the simple Punnett Squares we all learned in middle school. Today we know there are layers of complicating factors that determine who we are, what we look like, and how we interact with the world. In this conversation with NY Times science writer Carl Zimmer, audience members were treated to a hilariously insightful look at the world of genetics today, and why we might all have our mothers’ laugh.