Matthew Cassel travels to Lebanon to examine the anatomy of a failed state — from sectarian violence to economic collapse — and the impact of that failure on ordinary people and the region; Alice Hines meets cyborgs, neuroscientists and tech pioneers to explore the rapidly blurring line between biology and technology and what it all means for humanity 2.0.

Alice Hines investigates how inaccurate drug tests could be determining hundreds of thousands of court cases and upending the lives of people around the country; Melissa Chan travels to Taiwan to find out how residents on the island are preparing against mounting threats of an invasion by China.