Sexuality and gender play a profound role in shaping identity, but for much of human history how they are determined has remained obscure. How does sexual orientation develop? What is it? Can it be changed?

Medical ecologist Dickson Despommier describes the Vertical Farm Project, a movement to promote urban renewal while producing a sustainable food supply. The project is a result of his years studying …

Forensic science is under the microscope with Casie Parish Fisher who does research to figure out at what temperature DNA is destroyed..helping detectives trying to solve arson crimes. Episode filmed …

Prominent clashes — both historical and contemporary — have led to the widely held conclusion that science and religion are fundamentally incompatible. Yet, many scientists practice a traditional faith, having found a way to accommodate both scientific inquiry and religious teaching in their belief system.

IBM’s Watson has the ability to make a diagnosis. Apps can track and monitor patient emergencies. Our phones may soon be our medical advisers. Preventive and diagnostic medicine is on the cusp of an AI revolution that will no doubt save lives.

Explore memory’s biological blueprint as Brian Greene and Cristina Alberini probe the science behind our most cherished recollections, and discuss what may be the key to the formation of long-term …