Neo_Nightingale said: Play the first game for god sake.
I think you only found that out if you could pass an intellegence check with the supercomputer at the bottom of The Glow or if you thought to return to the brotherhood before destroying the cathedral and asked the chief scribe about super mutant's weaknesses. So it's really not a hard detail to miss if you weren't playing with a walkthrough.
In Vault 87 there are terminals that clearly state that all the "experiments" became asexual and lost their ability to reproduce when introduced to the FEV, besides causing the body to grow huge and powerful and also causing severe brain damage.
berserker666 said: In Vault 87 there are terminals that clearly state that all the "experiments" became asexual and lost their ability to reproduce when introduced to the FEV, besides causing the body to grow huge and powerful and also causing severe brain damage.
If you've heard marcus "joke" in fallout 2. It takes a few years after being dipped for the juices to start flowing again.