How does the Earth continually repair itself? Explore the answer to this question, and others, with a unit on plate boundaries and interaction. Pupils classify the types of movement at plate boundaries and identify the...

How do scientists know they're right? Truth be told, they don't always know. Explore the scientific process using mystery tubes in an insightful activity. Young scientists discover how to approach and solve problems in science, how ideas...

Explore the classification and evolution of mammals.

Explore the evolutionary process of speciation.

Discover the evolution of robotic exploration of space during the first half of the twentieth century through narrative and images.

This site provides numerous arguements that refute the existence of Noah's Ark. Covers the building of the ark, gathering of the animals, the flood itself, and many more topics.

On this site, find answers to the exploration activity on human evolution. Questions discuss both physical traits of hominid as well as DNA evidence.

Get the answers to the exploration exercise about how evolution relates to human health.

Explore the evidence for the theory of evolution.

This online chapter of a book studying biodiversity and conservation explores the evolution of mammals, from the extinction of the dinosaurs to the evolution of humans.

A gallery of information about our human ancestors. Explore this page to find the genetic differences and similarities between humans and other species.

"World Wide Words is devoted to the English language - its history, quirks, curiosities and evolution. The Words site is organized into sections, each with its own index to help you find your way about."

A succinct biographical sketch that examines contributions to the jazz and swing eras by noted musicians, band leaders, and Pennsylvania natives, Tommy and Jimmy Dorsey.

A collection of articles on evolutionary genetics focusing on the topics of phylogenetics, mutation and molecular population genetics, the genetics of speciation, genome evolution, and evolution and development. Learn how to read a...

The PBS site covers the Leakey family and their discoveries in Olduvai Gorge in Tanzania. This information was part of a PBS exploration of human evolution.

Extensive article that explores in great detail the life of Aimee Semple McPherson, fundamentalist evangelist.

From ABC News in Science, Will Dunham's article explores the evolutionary history of eating habits within the realms of amphibians. It specifically refers to the ancient amphibians use of biting food rather than sucking it.

Explore the diversity and taxonomy of the plant kingdom.

Resource explores what a pulsar is, as well as what is currently known about this phenomenon. Content includes a focus on x-ray observations of pulsars, and gamma-ray pulsars.

Examine the historical contributions made to the jazz world by this noted composer and arranger from Pittsburgh, Pennsylvania.

An activity for students to explore an infograph to compare the similarities and differences between human and other species.

A brief essay about older and more recent ideas on when the first cells evolved. Good coverage of different scientific theories about the origin of life.

This Evolution Web feature explores how evidence can support a variety of hypotheses surrounding the mystery behind the extinction of the dinosaurs.

Dive in and explore what makes this beautiful world so fragile. In this Web feature, from the PBS series "Evolution," discover how coevolution has shaped the ecological relationships among reef creatures.