Site Search

This interactive video explores how two scientists tracked the 2013 Ebola outbreak in West Africa. 

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.

This Click & Learn shows that keystone species exist across a variety of ecosystems and can exert their influence in different ways.

The added information provided at pause points within the animation Coral Bleaching allows for a richer exploration of coral reefs, symbiosis, and other topics in biology.

This interactive module allows students to use DNA profiling and related biological concepts to solve two cases of elephant poaching.

A number of questions are embedded within the short film The Making of the Fittest: The Birth and Death of Genes, which illustrates how gene duplications and mutations have led to remarkable physiological adaptations in Antarctic fish.

This interactive map of Gorongosa National Park in Mozambique explores different features of the park’s ecosystem and conservation strategy.

This tutorial describes three examples of recent human adaptations: lactose tolerance, sickle cell disease, and bitter taste perception.

This tutorial describes the principles of DNA sequencing and sequence assembly, and shows how they apply to different sequencing techniques.

This tutorial describes how DNA microarrays called Virochips are designed to detect known viruses and discover new ones.

This tutorial explains how scientists analyze and interpret the large data sets generated by DNA microarrays.

This interactive, modular lab explores the techniques used to identify different types of bacteria based on their DNA sequences.