Activity
Computer Science Unplugged

The Poor Cartographer—Graph Coloring

For Teachers 2nd - 12th
Color the town red. Demonstrate the concept of graph theory with a task that involves determining the least number of colors needed to color a map so that neighboring countries are not represented by the same color. Pupils...
Activity
Howard Hughes Medical Institute

Lactase Persistence: Evidence for Selection

For Teachers 9th - 12th Standards
What's the link between lactase persistence and dairy farming? Biology scholars analyze data to find evidence of the connection, then relate this to human adaptation. Working individually and in small groups, learners view short video...