[Free Registration/Login may be required to access all resource tools.] There is good evidence that life has probably existed on Earth for most of Earth's history. Fossils of blue-green algae found in Australia are the oldest fossils of...

[Free Registration/Login may be required to access all resource tools.] Did you know that fish, amphibians, reptiles, birds, and mammals are all related? They are all chordates. Chordates are a group of animals that includes vertebrates,...

The survival of our ancient ancestors depended on their ability to use peripheral vision to find prey and to avoid predators. Almost everything we do-from riding a bike, to dribbling a basketball, to reading a book-depends on peripheral...

Use the scientific reasoning and critical thinking to take an in-depth look at the basics of biology.

This resource provides materials for teachers on a huge array of topics. Search site by topic, grade level, and desired output (such as lesson plan, case study, assessment or tutorial). Site is focused on earth science, geography, and...

This site from Digital Library for Earth System Education provides materials for students and teachers on a huge array of topics. Search site by topic, grade level, and desired output (such as lesson plan, case study, assessment or...

Major Resource Kits link academic majors to career alternatives by providing information on career paths, sample job titles, and a short bibliography of Career Resource Center materials available to students in a particular major....

This OLogy card introduces you to ichthyologist Ian Harrison, a researcher for the American Museum of Natural history. Learn what led to Ian's interest in fish and what it is like to be a working scientist.

Open access journals are offered in all scholarly and scientific disciplines such as Biology and Life Sciences, History and Archaeology, and Physics and Astronomy. Site offers a search for new titles as well as archived journals....

The Proceedings of the National Academy of Science is a multidisciplinary journal that covers the biological, physical, and social sciences, and publishes research reports, commentaries, reviews, colloquium papers and actions of the...

Learn why fieldwork is an important component of any scientist's career, especially among those who are actively working to preserve the Earth's biodiversity. Three American Museum of Natural History biologists tell you about their...

This site can be viewed in either English or Italian. Many links can take the viewer to more information on the museum.

Farnaz Khatibi examines a fascinating branch of science known as biological anthropology.

A historically significant translation of the groundbreaking text on human anatomy that changed the study of anatomy forever.

Use this interactive site to enhance students' spelling and vocabulary while refreshing their memories in history, geography, language, science, and entertainment. It is available to use on line or you can purchase leveled apps for the...

This site profiles dozens of Chicano/Latino and Native American scientists. Most are still active in their field of research. Searchable by field of science. Also contains links to some fantastic science sites by topic.

[Free Registration/Login may be required to access all resource tools.] How quickly is the human population growing? If we look at worldwide human population growth from 10,000 BCE through to today, our growth looks like exponential...

[Free Registration/Login may be required to access all resource tools.] Sponges are classified in the phylum Porifera, from the Latin words meaning "having pores." Sponges are sessile, meaning they cannot move, so they filter water...

A large timeline containing major events in the history of paleontology and biology.

Yellowstone National Park was established in 1872 and "is one of the last, nearly intact, natural ecosystems in the temperate zone of Earth. The Science Learning Centre provides information on numerous topics that include; biological and...

Are you looking to explore possible career paths based on a college major? Explore possible career titles, major skills and characteristics, and websites related to your choice of college major.

Learn about these historical experiments having to do with genes being connected to enzymes: Garrod's studies of alkaptonuria and Beadle and Tatum's work with Neurospora mutants.

The American Institute of Biological Sciences offers this article by Niles Eldredge, evolutionary theorist and curator at the American Museum of Natural History. Eldredge begins with Darwin's theories and summarizes subsequent thought,...

Thirty questions to test your knowledge of upper elementary / middle level science (in Spanish). Covers energy, health, physics, technology, biology, chemistry, history of science, and earth sciences. You can choose between a Flash or...