Open Educational Resources

Romeo and Juliet

CC BY-NC-SA (Attribution NonCommercial ShareAlike) English

Author(s): Rebecca Olson

Subject(s): Literary studies: plays and playwrights

Publisher: Oregon State University

Last updated: 11/02/2025

This edition of Romeo and Juliet was edited by students for students. We believe that reliably edited versions of the play should be available for free online. But we wanted ours to be easy to get in other ways as well. The editors—Oregon State University students who remember, far better than their professors, what it was like to read the play for the first time—carefully considered every pronoun, punctuation mark, and footnote. Our goal: to make a friendly, confidence-building edition that supported classroom activities at the high school and college level.
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A Guide to the Principles of Animal Nutrition

CC BY-NC (Attribution NonCommercial) English

Author(s): Gita Cherian

Subject(s): Veterinary nutrition

Publisher: Oregon State University

Last updated: 11/02/2025

Based on over 20 years of teaching experience in animal nutrition, this study guide will enhance learning basic food animal nutritional principles.

In this introductory text, six fundamental nutrients, their structure, digestion, and metabolism are covered. A brief introduction to bioenergetics, feed additives, nutrient analysis, digestive organs and processes in monogastric and ruminant animals, and methods for assessing nutrient utilization are also included.

Each chapter is illustrated with a new terms box, key points, and review questions.

This study guide is an essential learning tool for undergraduate students majoring in animal sciences, veterinary medicine, or other related disciplines.
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A Primer for Computational Biology

CC BY-NC-SA (Attribution NonCommercial ShareAlike) English

Author(s): Shawn T. O’Neil

Subject(s): Computational biology / bioinformatics

Publisher: Oregon State University

Last updated: 10/02/2025

This open textbook is no longer being updated. Content may be outdated.

Nuclear Security

CC BY (Attribution) English

Author(s): David Bernell, Ben Wickizer, Meredith Bowers

Subject(s): Security, safety and protection skills / professions

Publisher: Oregon State University

Last updated: 06/02/2025

The danger posed by nuclear weapons and fissile materials is ever present. The end of the Cold War and the significant reduction in the size of Russian and U.S. nuclear stockpiles did not change this fact of life. There are now nine states that possess nuclear weapons – the United States, Russia, the United Kingdom, France, China, Israel, India, Pakistan, and North Korea – and the number of nuclear weapons in the world in 2019 is estimated to be almost 14,000. In addition, the production of highly-enriched uranium and plutonium continues in several places, while more than 440 civilian nuclear facilities around the world are in operation, posing their own particular risks. When one also considers that non-state actors constitute a significant global danger and the potential for nuclear terrorism, it is clear the need for nuclear security remains paramount. There is no other type of weapon that comes close to doing the level of damage that nuclear weapons can inflict.
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Getting Organized

CC BY-NC-ND (Attribution NonCommercial NoDerivatives) English

Author(s): Christy Anderson Brekken, Joe Hobson

Subject(s): Law: wills, probate, succession, inheritance

Publisher: Oregon State University

Last updated: 06/02/2025

The purpose of this guide is to provide foundational education for farm and ranch families on how to create a basic business succession and estate plan. In working with farm families, we have identified four fundamental goals for the farm succession planning process: (1) preserving family relationships, (2) strengthening the farm business, (3) protecting the owners and operators from business disruptions, and (4) minimizing the complexity and expense of succession and estate plans. With some basic knowledge, you will be educated consumers of legal and financial services, which may save you time and money as you consult with the attorneys, accountants, and other professionals who are key to creating a successful plan. This guide also gives you a starting point as you consider your alternatives and begin family discussions about the roles that each family member or nonfamily member may play in the future of the farm as a business.
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Introduction summary video

Chapter 1 summary video

Chapter 2 summary video

Chapter 3 summary video

Chapter 4 summary video

Chapter 5 summary video

Chapter 6 summary video

Applied Bioinformatics

CC BY (Attribution) English

Author(s): David A. Hendrix

Subject(s): Computational biology / bioinformatics

Publisher: Oregon State University

Last updated: 06/02/2025

The current edition of the book may be downloaded from the Applied Bioinformatics site.

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Intermediate Fluid Mechanics

CC BY-NC-SA (Attribution NonCommercial ShareAlike) English

Author(s): James Liburdy

Subject(s): Physics: Fluid mechanics

Publisher: Oregon State University

Last updated: 06/02/2025

This book is meant to be a second course in fluid mechanics that stresses applications dealing with external potential flows and intermediate viscous flows. Students are expected to have some background in some of the fundamental concepts of the definition of a fluid, hydrostatics, use of control volume conservation principles, initial exposure to the Navier-Stokes equations, and some elements of flow kinematics, such as streamlines and vorticity. It is not meant to be an in-depth study of potential flow or viscous flow, but is meant to expose students to additional analysis techniques for both of these categories of flows. We will see applications to aerodynamics, with analysis methods able to determine forces on arbitrary bodies. We will also examine some of the exact solutions of the Navier-Stokes equations based on classical fluid mechanics. Finally we will explore the complexities of turbulent flows and how for boundary layer flows one can predict drag forces. This compilation is drafted from notes used in the course Intermediate Fluid Mechanics, offered to seniors and first year graduate students who have a background in mechanical engineering or a closely related area.
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General Microbiology

CC BY-NC (Attribution NonCommercial) English

Author(s): Linda Bruslind

Subject(s): Microbiology (non-medical)

Publisher: Oregon State University

Last updated: 06/02/2025

Welcome to the wonderful world of microbiology! Yay! So. What is microbiology? If we break the word down it translates to “the study of small life,” where the small life refers to microorganisms or microbes. But who are the microbes? And how small are they?
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Human Nutrition

CC BY-NC-SA (Attribution NonCommercial ShareAlike) English

Author(s): Brian Lindshield

Subject(s): Dietetics and nutrition

Publisher: Oregon State University

Last updated: 06/02/2025

The CK-12 foundation defines a flexbook as a “free and open source textbook platform where one can build and edit collaborative textbooks.” The FNDH 400 (formerly the HN 400 flexbook, department changed its name from Human Nutrition to Food, Nutrition, Dietetics and Health) Flexbook fits this definition. Readers, in addition to having access online, can also download the OER as a digital or printable PDF and EPUB.

Monitoring Animal Populations and their Habitats: A Practitioner's Guide

CC BY-NC-SA (Attribution NonCommercial ShareAlike) English (United States)

Author(s): Brenda McComb, Benjamin Zuckerberg, David Vesely, Christopher Jordan

Subject(s): Ethology and animal behaviour

Publisher: Oregon State University

Last updated: 06/02/2025

In the face of so many unprecedented changes occurring in our lives, our ecosystems and our globe, society is more often expecting scientists to provide information that can help guide communities toward a more sustainable future. This book is our attempt to provide a framework that managers of natural resources can use to design monitoring programs that will benefit future generations by providing the information needed to make informed decisions. In addition we offer tools and approaches that engage individuals in our society in monitoring programs. We firmly believe that people and communities who are empowered in the design and implementation of monitoring programs are more likely to use the information that results from the program, and support it over time.

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OERU, Oregon State University