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Science is a game concept in Civilization V. It displays how much progress per turn your civilization makes towards discovering a new technology. Science is important because it controls the things you can build and do throughout the game and directly leads to a victory condition.

Buildings that provide scienceEdit

Building	Era	Science	Required technology
Library	Ancient era	+1 science for every 2 citizens	Writing
University	Medieval era	+33% science, +2 science on jungle tiles worked by the city	Education, requires a libary or paper maker
Observatory	Renaissance era	+50%	Astronomy, requires a mountain next to city
Public school	Industrial era	+3 , +1 for every 2 citizens	Scientific theory,requires a university
Factory	Industrial era	+25% when Planned Economy on the Order Social Policy tree is selected
Research lab	Modern era	+4 , +50%	Plastics, requires a public school

Wonders that provide scienceEdit

Wonder	Science	Requirement
Great Library	+3 science, and a free library	Writing
National College	+3 science, +50% science	Requires a library in every city
Porcelain Tower	50% more science from research agreements	Education
Oxford University	+3 science, and provides one free technology	Education

Social policies that provide scienceEdit

Policy	Branch	Era	Requirements	Effect
Scholasticism	Patronage	Medieval era	Philanthropy	City states provide 25% of their science to you
Secularism	Rationalism	Renaissance era	none	+2 science for every specialist
Free thought	Rationalism	Renaissance era	Secularism	+17% science to universities, +1 for trading posts
Scientific revolution	Rationalism	Renaissance era	Free Thought	Boosts Science gained from Research Agreements by +50%
Planned economy	Order	Industrial era	none	+25% science to Factories

Notes:

• Adopting Rationalism gives you a +15% while your empire is Happy
• Adopting all Policies in the Rationalism tree will grant 2 free Technologies
• Completing Order gives you +2 science in every city
• Completing Freedom doubles production on Great Person tile improvements, including the Academy

Terrain features that boost scienceEdit

Feature	Bonus
Academy	+6 , +8 with Scientific Theory, +10 with Atomic Theory
Trading post	+1 with Free Thought from the Rationalism Social Policy Tree.
Jungle	+2 when worked by a city with a university

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