by Liz Olson The Great Plains is an area of the United States stretching east to west from the Mississippi River to the Rocky Mountains and north to south from Canada to Mexico. Native…
—Ronald J. Litwin, Robert E. Weems, and Thomas R. Holtz, Jr.
Source: United States Geological Survey When did the dinosaurs first appear on Earth? Are all fossil animals dinosaurs?…
PARASITIC FLUKEA LONG LIFEMETAMORPHOSISFIND OUT MOREThe life cycle of an animal consists of all the stages from the start of one generation to the beginning of the next. For many insects, it…
A History and Timeline of Affirmative Action
by Borgna Brunner and Beth Rowen Related Links Affirmative Action Affirmative Action Setbacks Black History Month African American…
professor and inspirational speakerDied: July 25, 2008Best Known as: computer science professor who inspired many to live with his "Last Lecture" Deathplace:…
HOW ARE FOSSILS FORMED? WHAT DO FOSSILS SHOW US? PALEONTOLOGYFIND OUT MOREFossils are the ancient remains of living things preserved in rocks. They are usually formed from hard animal or plant…
TYPES OF WORMFLATWORMSROUNDWORMSSEGMENTED WORMSFIND OUT MOREThere are about one million species of worm, living in a wide range of habitats. They have a long, thin body, and have no legs. Many…
IntroductionFungal InfectionsIntroductionTypes of InfectionFungal Infections of the SkinFighting Fungus The incidence of fungal infections has increased at an alarming rate in the past two decades.…
WHAT IS A PROTIST? BIOGRAPHY: LOUIS PASTEUR (1822–1895)VIRUSESBACTERIAFIND OUT MOREAny living thing that is invisible to the naked eye and can be seen only under a microscope is called a…
The Battle of Gettysburg, one of the most noted battles of the Civil War, was fought on July 1–3, 1863. On Nov. 19, 1863, the field was dedicated as a national cemetery by President Lincoln in a…
