1 - 12 of 96 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

Why Do Some People with the Sickle Cell Genotype Not Have Symptoms?

In this inquiry-based activity, students engage in science practices to figure out why some people with a genetic condition that usually leads to sickle cell disease do not have disease symptoms.
 

Biochemistry & Molecular Biology
Genetics
Card Activities
High School — General
High School — AP/IB
College

Activity for Out of the Ashes

This activity explores the concepts and research presented in the short film Out of the Ashes: Dawn of the Age of Mammals, which explores how life on Earth recovered after a major asteroid impact.

Evolution
Earth Science
Film Activities
High School — General
High School — AP/IB
College

Out of the Ashes: Dawn of the Age of Mammals

This film explores how life recovered after an asteroid wiped out the dinosaurs and how those events shaped the diversity of plants and mammals on Earth today.

Evolution
Earth Science
Short Films
High School — General
High School — AP/IB
College

Activity for Solving Crimes with the Necrobiome

This activity explores content presented in the animated video Solving Crimes with the Necrobiome, which describes the microbial changes associated with decomposing corpses.

Microbiology
Film Activities
High School — General
High School — AP/IB
College

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

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