A neuroscientist calls in to debate the geometry of pizza, and food science guru Kenji Lopez-Alt explains how woodworking can help us make a better bagel and cream cheese.

Today's sponsors: Go to Sunbasket.com/Sporkful to get $35 off your first order. Go to Daily-Harvest.com and enter promo code "SPORKFUL" to get three free items in your first box. Go to WorldCampusInfo.com to learn how Penn State World Campus can help you reach your educational goals.