Howard Hughes Medical Institute
Zebrafish and Skin Color
You may not know if that zebrafish in your fish tank is a model citizen—but it is definitely a model organism! What can we learn about ourselves from a tiny zebrafish? Discover more about the polygenic trait of skin color through a...
WK Kellogg Biological Station
Sounds of Selection
Do you want a creative and fun way to teach about natural selection? Hop to it by turning your middle school princes and princesses into frogs trying to catch as many bugs as possible in a Hungry Hungry Hippos style game. For high...
National Park Service
Aspect, Treeline, and Climate
Head to the treeline and beyond to examine how this feature of the landscape affects weather and climate, which gives scientists clues about its health. Class members' observations of photographs provide the data...