Medieval Era Image:20xScience5.png Science building. Requires Library. * Common traits: * +33% Image:20xScience5.png Science (increased to +50% with Free Thought Social policy) * 2 Scientist Specialist slots * +2 Image:20xScience5.png Science from Jungle tiles worked by this City. * Allows Archaeologists to be built in this city. * +1 Image:20xGold5.png Gold with Sovereignty Social policy * +1 Image:20xHappiness5.png Happiness with Academy of Sciences Order tenet