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
What's a Swamp Good For?
Students identify the function and value of wetlands. In this instructional activity on appreciating wetlands, students explain how different household items can represent different aspects of the wetlands.