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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.

In this collaborative activity, students explore major biodiversity threats and design, present, and refine solutions for preserving biodiversity.

This highly customizable activity guides students through organizing and documenting spreadsheet data during a class investigation.

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.

In this activity, students engage in key science practices that scientists used to figure out ecosystem dynamics in the Serengeti.

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.

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.

This activity explores images of stickleback fish, some with spines and some without spines, which serve as phenomena for learning about gene regulation and natural selection.

This video shows how a group of students, scientists, and volunteers came together to make hand sanitizer and masks for their community during the COVID-19 pandemic.

This interactive module introduces the anatomy of the immune system and walks through the timeline of a typical immune response.

This web tool provides a quick and easy way of visualizing and analyzing data without advanced technological requirements.

In this activity, students work with authentic research data to explore the impact of poaching on African elephants.