Course Packs add 50 new cards from a specific discipline to the Mad Scientist University core game.

From the publisher:

ANTHROPOLOGY: The excavation has taken months, but it's been worth it. Brushing away the ancient dust, you find an excellent collection of stone-age pottery shards with terrible lizards carved in them. They all laughed in school, but you always knew you'd find the missing link between cavemen and dinosaurs!