Viegas, Jennifer

Explains what fungi and molds are; describes various symbiotes and parasites; looks at different fungal diseases; and explains how to prevent problems caused by fungi and molds.

Explains what parasites are; describes the three basic parasite groups, including protozoa, worms, and parasitic insects and arachnids; discusses the human diseases and disorders that can be caused by parasites; and looks at ways to prevent or treat infestations.

Presents scientific discoveries about the size, composition, rotation, orbit, and climate of this outer planet that has fifteen moons.

A career biography of Pierre Omidya, founder of eBay, discussing the phenomenal success of the online auction site, and its role in spurring growth in related businesses.

Presents scientific discoveries about the size, composition, rotation, orbit, and climate of this outer planet that has fifteen moons.

Presents an overview of the treaty that established the Sioux reservation on the Black Hills of Dakota, using primary source documents to describe the nature of relations between American pioneers and Native Americans.

Presents a collection of essays that examine research in the area of thermodynamics, including discussion of entropy, quantum mechanics, conductivity, and the thermodynamics of human and plant cells.

Presents a look at the life and work of American philosopher, psychologist, and theologian, William James, providing information on his early life, his education, and his impact on philosophy and the social sciences.

Examines the life, music, and legacy of eighteenth-century German composer Ludwig van Beethoven, and includes a time line and list of selected works.

A historical review of the writing of the Declaration of Independence, the events that led up to its creation, and the influence of its author, Thomas Jefferson, on the final document.