Explore bending of light between two media with different indices of refraction. See how changing from air to water to glass changes the bending angle. Play with prisms of different shapes and make rainbows.

Climate change is an urgent problem. Because it is causing new weather extremes and fatal catastrophes, climate change is better termed climate disruption. Bending the curve to flatten the upward trajectory of pollution emissions responsible for climate disruption is essential in order to protect billions of people from this global threat. Education is a key part of the solution.

Watch beta decay occur for a collection of nuclei or for an individual nucleus.

Love is deeply biological. It pervades every aspect of our lives and has inspired countless works of art. Love also has a profound effect on our mental and physical state. A “broken heart” or a failed relationship can have disastrous effects; bereavement disrupts human physiology and may even precipitate death. Without loving relationships, humans fail to flourish, even if all of their other basic needs are met. As such, love is clearly not “just” an emotion; it is a biological process that is both dynamic and bidirectional in several dimensions. Social interactions between individuals, for example, trigger cognitive and physiological processes that influence emotional and mental states. In turn, these changes influence future social interactions. Similarly, the maintenance of loving relationships requires constant feedback through sensory and cognitive systems; the body seeks love and responds constantly to interactions with loved ones or to the absence of such interactions. The evolutionary principles and ancient hormonal and neural systems that support the beneficial and healing effects of loving relationships are described here.

Our goal is to present the key observations and unifying concepts upon which modern biology is based; it is not a survey of all biology! Once understood, these foundational observations and concepts should enable you to approach any biological process, from disease to kindness, from a scientific perspective. To understand biological systems we need to consider them from two complementary perspectives; how they came to be (the historic, that is, evolutionary) and how their structures, traits, and behaviors are produced (the mechanistic, that is, the physicochemical)

Lab Manual for BIO101 at Mt Hood Community College. The associated textbook is available at https://openoregon.pressbooks.pub/mhccbiology101/

Biology 2e is designed to cover the scope and sequence requirements of a typical two-semester biology course for science majors. The text provides comprehensive coverage of foundational research and core biology concepts through an evolutionary lens. Biology includes rich features that engage students in scientific inquiry, highlight careers in the biological sciences, and offer everyday applications. The book also includes various types of practice and homework questions that help students understand—and apply—key concepts. The 2nd edition has been revised to incorporate clearer, more current, and more dynamic explanations, while maintaining the same organization as the first edition. Art and illustrations have been substantially improved, and the textbook features additional assessments and related resources. The first edition of Biology by OpenStax is available in web view here.

These anatomical illustrations were created by Biological and Pre-Medical Illustration (BPMI) students that had previously attended the course, BIOL351: Comparative Chordate Anatomy. The students worked closely with the lab instructor to develop detailed anatomical illustrations of the specimens studied in the lab, which allowed the students to showcase their work. The images were then incorporated in the lab handbook for the course and made more widely available as open educational resources.

The course introduces students to the nature of life, concepts of biochemistry, metabolism, genetics, cellular and molecular biology. Students will learn about the various techniques used to study biology - cloning, gene editing and the exciting field of Genetic Engineering.This Open Education Resource Core Curriculum course was developed with funding from Texas Higher Education Board - Open Educational Resources Grant Program (OERGP) 2018-2019 RFA # 20337.

Assorted biology-related OER including biomedical science, biology and forensic science. OER in multiple formats including video, animations and downloadable text.