What makes us uniquely human? In the three-part series The Human Spark, originally broadcast on PBS in January 2010, Alan Alda visits with dozens of scientists on three continents and participates directly in many experiments – including the detailed examination of his own brain. Through PBS LearningMedia’s The Human Spark collection of lesson plans and video resources for grades 5-12, students join Alda in searching for the answers to many of our most age-old questions.  Continue reading →