Examines the threats posed to chimpanzees in the wild, describing the effects of predators, poaching, loss of habitat, disease, and climate change, while explaining current conservation efforts.
Introduces humpback whales and why they are an endangered species, including hunters, water pollution, and climate change, and describes the efforts in effect to help protect the whales.
Describes the history of space exploration and the many recent advances made in astronomy and astronautics, including the lunar landing, space telescopes, and probes analyzing other planets.
