1 - 12 of 37 results

How Do Some Cells Affect Mouse Color?

In this phenomenon-driven activity, students investigate how cells are signaled to make melanin and explain how mutations in melanin pathway proteins affect the coat color of various organisms.

Cell Biology
Genetics
Lessons
High School — General
High School — AP/IB
College
Image of a fish jumping out of water.

The Beautiful Undammed

Release Date
Duration 00:27:51

After a dam removal on Washington’s Elwha River, scientists are chronicling a story of ecological rebirth. Recovering salmon populations are transferring critical nutrients from the ocean into the forests, enriching the entire ecosystem.

Image of a woodpecker on a tree.

Woodpecker Wars

Release Date
Duration 00:27:59

Scientists, soldiers, and landowners collaborate to save the endangered red-cockaded woodpecker at a North Carolina army base.

Image of a beaver swimming.

Beaver Fever

Release Date
Duration 00:27:48

The return of beavers to the British countryside is boosting biodiversity, reducing storm-induced flooding, and restoring wilderness to an over- manicured landscape.

Energy Flow through Ecosystems

This Click & Learn traces the flow of energy from the Sun all the way to cells within organisms. The embedded questions and calculations guide students’ understanding of how energy is distributed through a variety of ecosystems.

Ecology
Science Practices
Click & Learn
High School — General
High School — AP/IB

Nutrient Cycling in the Serengeti

In this activity, students engage with an example from the Serengeti ecosystem to illustrate the exchange of nutrients between plants, animals, and the environment.

Microbiology
Ecology
Earth Science
Card Activities
High School — General
High School — AP/IB
College

Red Tattoo

This activity explores an image of tattoo ink particles inside cells, which serves as a phenomenon for learning about the structure and color of human skin.

Cell Biology
Anatomy & Physiology
Phenomenal Images
High School — General
High School — AP/IB
College

Photosynthesis

This multipart animation series explores the process of photosynthesis and the structures that carry it out.

Biochemistry & Molecular Biology
Cell Biology
Anatomy & Physiology
Click & Learn
High School — General
High School — AP/IB
College

Understanding Global Change

This interactive module allows students and educators to build models that explain how the Earth system works. The Click & Learn can be used to show how Earth is affected by human activities and natural phenomena.

Environmental Science
Earth Science
Tools
High School — General
High School — AP/IB
College

Exploring Biomass Pyramids

This interactive module allows students to collect and analyze data from a virtual river to construct biomass and energy pyramids.

Ecology
Science Practices
Click & Learn
High School — General
High School — AP/IB
College

Salt Stress Impacts Photosynthesis in Algae

This activity guides the analysis of a published scientific figure from a study that investigated how salt affects the electron transport chain.

Anatomy & Physiology
Environmental Science
Science Practices
Data Points
High School — General
High School — AP/IB
College

Cystic Fibrosis Mechanism and Treatment

This animation shows how mutations in an ion channel protein lead to the genetic disease cystic fibrosis. The animation also discusses how research on this protein has been used to develop treatments for the disease.

Biochemistry & Molecular Biology
Genetics
Cell Biology
Animations
High School — General
High School — AP/IB
College