Bacteria, algae, and protozoa-microorganisms that are easily overlooked in our daily lives-can be found in a wide variety of locations and serve innumerable ecological purposes. While some such organisms have been associated with disease, they have also been invaluable in agricu…
Bacteria, algae, and protozoa-microorganisms that are easily overlooked in our daily lives-can be found in a wide variety of locations and serve innumerable ecological purposes. While some such organisms have been associated with disease, they have also been invaluable in agricu…
Describes the physical characteristics of bactera, algae and protozoa, and the various medical and industrial uses of bacteria.
This work examines the logic and science behind various ciphers, their real world uses, how codes can be broken, and the use of technology in this oft-overlooked field.
Examines how civilizations have viewed the universe throughout history and profiles men and women who have helped advance humans' understanding of the universe and the impact it has on life on Earth.
Relates the history of the American Civil War through primary source documents, covering the lead-up to the war, secession, the war itself, and Reconstruction.
Examines the comedies of Shakespeare, including "The Two Gentlemen of Verona," "As You Like It," and "Measure For Measure."
In Shakespeare?s time, the term?comedy? did not necessarily denote something funny or amusing. Rather, through such plays such as A Midsummer Night?s Dream and The Merchant of Venice, the playwright examines other defining characteristics of comedic drama?the social interactions…
Reason, rationality, and reform were the watchwords of the Enlightenment era and the themes of much of the writing that appeared at that time. Such luminaries as Voltaire, Benjamin Franklin, and Thomas Paine took up their pens to illuminate the social injustices and injuries to …
Humans have long dreamt of communing with the skies and acquiring the ability to fly. The first experiments with balloon flight through the development of the Concorde and everything in between, aviation has transformed the way humans travel, especially over vast distances. This…
Starting at the dawn of the 20th century, writers began experimenting with literary styles as never before. As perhaps the most far-reaching movement, Modernism swept across both the United States and Europe and has been embodied in the works of such writers as Marcel Proust, Vi…
Describes what a planet is and how the planets move in our solar system. Also explains what asteroids, comets and meteors are and how they may come into contact with Earth.
Although rock music continued to dominate the music scene, the sounds of the 1970s and?80s differed greatly from the music of the preceding decades, reflecting newer social realities. The aggressive sounds of punk music began to appeal to youth, while disco reached across cultur…
In the wake of the American Revolution, the United States of America was faced with the task of evolving into an independent republic This move was facilitated by a number of visionaries who rose to the challenge of crafting what would become America's national ethos. Readers wi…
Beginning with the Industrial Revolution, Europe was seized by the spirit of political and social innovation and reform that has continued into the 21st century. The general atmosphere of the continent, reflected in the Romantic, Realist, and Modernist movements that swept throu…
Contained in the immensity and depths of the Earth's oceans, many of the planet's species and resources thrive far away from the reaches of human civilization. With expanses that have yet to be discovered and enormous reservoirs of untapped potential, oceans provide fodder for a…
by Rafferty, John P., Britannica Educational Publishing
fromGeology--landforms, minerals and rocks
Often concealing millennia worth of Earth's history, rocks seem to project an impression of durability and permanence that belies their transformation over time. Seen in all shapes and sizes and found in many of the planet's ecosystems, rocks have been subject to various natural…
