PBS
Pbs Learning Media: Redwoods at Redwood National Park
This video segment from NatureScene describes the characteristics of redwood trees at Redwood National Park. [4:02]
Curated OER
Kids Health: A How the Body Works
This resource provides complete, mini-learning modules about different aspects of the human body. Click on the eyeball to focus your search.
Other
Principia Cybernetica Web: Punctuated Equilibrium
Starts with a definition of Punctuated Equilibrium, followed by an explanation of this "Observation," and how it fits with other evolutionary theory.
Curated OER
Medical Illustration of the Human Heart
Fact Monster offers a brief summary of the human circulatory system, its organs, and function.