Paleontologist Peter Ward explains how life’s tendency toward self-destruction has led to massive extinction events in Earth’s history. What does the past — and the smell of rotten eggs — have to teach us about the fate of humanity?
Neil deGrasse Tyson explores the ins and outs of the human heart with cardiac surgeon Dr. Daryl Hoffman. Learn about open-heart surgery, artificial valves, hearts in space, graverobbers Burke and Hare and so much more.
Have you ever seen mysterious lights in the sky, or glimpsed an alien spacecraft? This show provides a probing yet playful discussion about Unidentified Flying Objects.
While cathedrals give people a place to contemplate Heaven from our place here on Earth, astronauts on the ISS can view Earth from “the heavens” above. This show highlights the many ways the ISS is like a modern-day cathedral.