Explores the mysteries of bird migration, including theories on how birds find their way and how scientists learn about migration.

Discusses the properties of light, particularly its source in heat.

Simple language and humorous illustrations show how energy comes originally from the sun and can be transferred from one thing to another.

A simple introduction to the composition and functions of blood.

Read and find out about one of nature's most mysterious forces--the earthquake. Some earthquakes are so small that you don't even feel them, while others can make even big buildings shake! Learn why earthquakes happen, where they are most likely to occur, and what to do if one happens near you.

An introduction to the behavior and life cycle of honeybees, with particular emphasis on the production of honey.

Describes the habitats of these reptiles which scientists call a "keystone species" because they change the environment for their own use in a way that helps many other plants and animals.

Describes how footprints made by the dinosaurs have been preserved and what these impressions tell scientists about the animals which made them.

Describes how coral reefs form and discusses the plants and animals that live in them.

Presents information about the evolution of the dinosuars, from the earliest four-limbed tetrapos of the Paleozoic age, to the meat-eating eoraptors of early Triassic, to the fully-developed dinosaurs of the Jurassic and Cretaceous periods.