Earth Systems

Start a peaceful revolution by planting an edible ecosystem and sharing the experience with your neighbors. Humans have always thrived in rich, diverse, edible ecosystems. Yet most cities and suburbs are blanketed by lawns, ornamentals, and a lack of biodiversity, let alone anything edible. It is within these sterile landscapes that seeds of an edible ecosystem lie. The Edible Ecosystem Solution is a comprehensive, practical guidebook that looks at underutilized spaces to reveal the many opportunities for landscape transformation.

If a black hole is not a hole, then what is it? Find out what black holes are, what causes them, and how scientists first discovered them. Learn how astronomers find black holes, get to know our nearest black-hole neighbor, and take a journey that will literally s-t-r-e-t-c-h the mind.

In the early days of civilization, we knew nothing about the moon. It was considered as a god chasing the sun in an endless race through the sky. Today, we know much more than our ancestors. We can speculate on the creation of the moon and what the Earth would be without the moon. It turns out that our moon has played a much more important role in life development than anyone would have thought.