1. The Tree of Life
Scientists explore how all living things are related and how microbial life on the planet has evolved over its 3.8-billion-year history.
2. Keepers of the Biosphere
Scientists trace the role of microbes in maintaining the conditions on Earth, including how they affect the global climate and perform the recycling that keeps the world habitable.
3. Dangerous Friends and Friendly Enemies
Scientists focus on microbial communities that live in and on humans as well as some key factors that contribute to the emergence of new infectious diseases.
4. Creators of the Future
Scientists turn to microbes for solutions for repairing our damaged environment and feeding the planet's growing population.