* Type: Discover 5
* Secret projects: The Supercollider
* Comes from: Superconductor, advanced subatomic theory
* Leads to: Unified field theory, photon wave mechanics

Bio-Engineering
Using the clean reactor will decrease unit costs and the Longevity Vaccine secret project combats drone rioting depending on the economy.

* Type: Build 5
* Abilities: Clean reactor
* Secret projects: The Longevity Vaccine
* Comes from: Gene splicing, neural grafting
* Leads to: Retroviral engineering

Biogenetics
The Peacekeepers' default technology leads quickly to the Secrets of the Human Brain (the first to discover this receives a free technology). Move on to gene splicing as well to acquire the research hospital to help boost development.

* Type: Discover 1
* Faction: Peacekeepers
* Base facilities: Recycling tanks
* Secret projects: The Human Genome Project
* Leads to: Secrets of the Human Brain, gene splicing

Biomachinery
If you've got plenty of base room and nutrient resources, consider climbing to this technology and acquiring the Cloning Vats secret project. The population boom that results could hasten your trip further up the tech tree.

* Type: Build 7
* Secret projects: The Cloning Vats
* Comes from: Mind-machine interface, retroviral engineering
* Leads to: Homo superior

Centauri Ecology
The Gaians' default technology lets them create formers immediately. Research the weather paradigm to speed terraforming by 50 percent.

* Type: Explore 1
* Faction: Gaia's Stepdaughters
* Weapons: Terraforming unit (equipment)
* Unit types: formers
* Base facilities: The weather paradigm
* Leads to: Centauri empathy, ecological engineering