Explores key topics in genetics and evolution, focusing on recent discoveries, especially in the area of reproductive technology, and looks at the ongoing debates about the ethics of genetic engineering.
Takes a look at the evolution of the solar system, focusing on the earth and what makes it unique from other planets. Utilizes new information learned from space probes and takes into account the theory of plate tectonics.
Looks at the inter-relationships between the earth's natural systems and how burgeoning populations of humans are having a negative impact on the environment.