Council for Economic Education
Out of Africa: Why Early Humans Settled around the World
Why would someone want to leave home? The age-old question is at the center of a thought-provoking activity. Scholars consider why humans move around the world both during pre-historical times and today using a PowerPoint, reading on...
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...