Howard Hughes Medical Institute
The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
Curated OER
People Change the Landscape
Students examine ways in which humans have brought change to the natural environment. In this ecology and literacy instructional activity, students listen to the book Island Boy by Barbara Cooney. Students observe and define map-reading...
Curated OER
Global Warming
First graders discover the effects of global warming on polar bears. In this life science lesson plan, 1st graders model the polar bear's habitat and observe what happens as they raise the temperature. They record their observation in...