This activity explores images of tree growth in the Serengeti over time, which serve as a phenomenon for learning about and modeling species interactions in ecosystems.
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
Does Nature Have Rights?
Release Date
Duration 00:27:51
Ecuador became the first country to enshrine the “rights of nature” in its constitution—granting wild species legal rights to exist. Today, conservationists are using it to save biodiversity hotspots.
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.
The first gene therapy for a deadly form of muscular dystrophy received preliminary U.S. approval on Thursday despite concerns from some government scientists about the treatment’s ability to help boys with the inherited disease.
In this Educator Voices article, professor John Moore describes a "backwards" approach to teaching energy use in cells that traces the process from ATP in use back through glycolysis.
This activity explores an image of a wildlife overpass crossing a major highway, which serves as a phenomenon for learning about habitat fragmentation and conservation.
A new study that analyzes data from more than 50,000 amateur stargazers finds that artificial lighting is making the night sky about 10% brighter each year.