0.1x council scientist does not have Expertise: Biology or Curator traits.

0.75x council scientist has skill level below 4.

1.5x council scientist has skill level above 4.

1.5x Technological Ascendancy ascension perk.

Weights from scientist expertise traits are doubled with the Technocracy civic.For more information about an unlocked effect (buildings, components, etc.) click on the accompanying icon. Sorting the table by tiers will place all Starter tech at the top and Repeatable end-game tech at the bottom.To research techs of higher tiers it is first needed to acquire 6 techs of the preceding tier.Actual in-game tech cost will scale with the empire's size (number of colonized planets and population). The table denotes the base cost of a tech.If a tech has been available as a research option in the as part of the last choice then its (total) weight will be halved in the coming choice.Flavor entry is displayed if accompanied by a change to effects/requirements. The table shows the default names/icons of techs.

Color indicators: Starter, Acquisition, Rare, Dangerous, Repeatable.

How rare is the leviathan skin