Weapons from Industry Techs
This idea is sort of an offshot from another thread involving armor. I think it would be interesting if certain weapons and armor could be gained from tech lines that are normally specifically civil, rather than military. For instance, if you could gain access to "Chiten Armor" by both researching the agricultural technology "Monstrous Herding" as well as discovering a tamable colony of giant insects. Another example might be if the player researched enough into forestry techs to exploit a grove of "iron wood," which could be crafted into snazzy weapons and armor pieces. Naturally, only a few civil techs would afford the player an opportunity to pick up these nifty little perks, and the best, most enduring military options and tools would still be left on military focused research.
It would be refreshing to see benefits to civil techs, though, beyond +X to the harvest of widget Y, though.