Ancient Era
Pottery
25 Science
Boosts: –
Required: –
Animal Husbandry
25 Science
Boosts: –
Required: –
Mining
25 Science
Boosts: –
Required: –
Sailing
50 Science
Boosts: Found a city on the Coast.
Required: –
Astrology
50 Science
Boosts: Find a natural wonder
Required: –
Irrigation
50 Science
Boosts: Farm a resource.
Required: Pottery
Writing
50 Science
Boosts: Meet another civilization.
Required: Pottery
Archery
50 Science
Boosts: Kill a unit with the Slinger.
Required: Animal Husbandry
Masonry
80 Science
Boost: Build a Quarry.
Required: Mining
Bronze Working
80 Science
Boosts: Kill 3 Barbarians
Required: Mining
Wheel
80 science
Boosts: Mine a resource.
Required: Mining