1 - 12 of 30 results

Preserving Maize Genetic Diversity

This video follows germplasm bank coordinator Cristian Zavala Espinosa and geneticist Sarah Hearne, who are part of the global effort to preserve the genetic diversity of maize (corn).

Genetics
Evolution
Environmental Science
Scientists at Work
High School — General
High School — AP/IB
College

From Dog DNA to Human Diseases

This video follows biologist Elinor Karlsson, who studies dogs to find genes associated with traits, including certain diseases.

Genetics
Evolution
Scientists at Work
High School — General
High School — AP/IB
College

The Breathing Biosphere and Human Contribution

In this Click & Learn, students explore factors that contribute to patterns seen in the Keeling Curve: a continuous record of atmospheric CO2 starting in 1958.

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

The Science of Climate Change

This film begins with phenomena linked to climate change and then examines how Earth’s temperature is controlled, how we know it is changing, and how the current changes compare to those over the last 800,000 years.

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

Mystery of the Missing Tusks

This activity explores images of elephants with and without tusks, which serve as phenomena for learning about selection and human impacts on the frequency of traits within populations.

Evolution
Environmental Science
Phenomenal Images
High School — General
High School — AP/IB

Why Two Heads?

This activity explores images of planarians regenerating missing body parts, which serve as phenomena for learning about cell division and differentiation.

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

Stalking the Genetic Basis of a Trait

This activity supports the film Popped Secret: The Mysterious Origin of Corn. Students analyze data on the expression of the tb1 gene to explain how variations in this gene played a role in the evolution of corn.

Genetics
Anatomy & Physiology
Evolution
Science Practices
Lessons
High School — AP/IB
College

Genetic Mutations and Disease

This interactive module explores how mutations arise in germline and somatic cells. It also shows how these mutations can lead to genetic conditions, such as cystic fibrosis and cancer.

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

Selective Breeding in Maize

This activity guides the analysis of a published scientific figure from the world’s longest-running controlled artificial selection study, in which scientists tested whether they could use selective breeding to change the protein concentration of maize (corn).

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

The Teosinte Hypothesis

In this activity, students further explore the short film Popped Secret: The Mysterious Origin of Corn, by working through the mathematical concepts behind George Beadle’s claim that teosinte is the wild ancestor of maize.

Genetics
Anatomy & Physiology
Evolution
Science Practices
Lessons
High School — General
High School — AP/IB
College

Interactive Assessment for Popped Secret: The Mysterious Origin of Corn

A number of questions are embedded within the short film Popped Secret: The Mysterious Origin of Corn, which explores the genetic and archaeological evidence that corn was domesticated from a wild Mexican grass called teosinte.

Genetics
Anatomy & Physiology
Evolution
Interactive Videos
High School — General
High School — AP/IB
College

Trends in Atmospheric Carbon Dioxide

This activity analyzes a figure showing the atmospheric carbon dioxide concentration from 1958 to 2023.

Environmental Science
Earth Science
Science Practices
Data Points
High School — General
High School — AP/IB
College