NOVA

Thousands of years of human innovation have allowed us to shape the environment to improve lives. The consequences of our activities are not always benign – but there are solutions. From electrifying aviation, to building robots to protect threatened coral reefs, a new generation of engineers is finding creative solutions to some of our most critical environmental challenges.

Thousands of years of human innovation have allowed us to shape the environment to improve lives. The consequences of our activities are not always benign – but there are solutions. From electrifying aviation, to building robots to protect threatened coral reefs, a new generation of engineers is finding creative solutions to some of our most critical environmental challenges.

After the devastating 2019 fire at Notre Dame, two mysterious sarcophaguses were discovered under the cathedral's stone floor. Who is buried in them, and what secrets will these coffins reveal? Follow a team of archaeologists and historians as they attempt to solve centuries-old mysteries using the latest scientific investigation techniques. What can forensic analysis of the remains reveal about one of the world's most famous cathedrals and those who devoted their lives to it?

After the devastating 2019 fire at Notre Dame, two mysterious sarcophaguses were discovered under the cathedral's stone floor. Who is buried in them, and what secrets will these coffins reveal? Follow a team of archaeologists and historians as they attempt to solve centuries-old mysteries using the latest scientific investigation techniques. What can forensic analysis of the remains reveal about one of the world's most famous cathedrals and those who devoted their lives to it?