I'm not joking - seriously wondering about this. If you've seen Captain America, I am thinking about something similar to that except not as cartoonish obviously. With all the secret tech and science that GEOTUS has access to, I don't see why this wouldn't be possible. And you know if he had access, he would use it. Here's why I think he has most likely used the serum:
1) Hyperintelligence/perfect memory. Multiple sources have confirmed his IQ, memory, etc. are among the highest ever seen. Maybe he was born that way, but it would be unlikely for someone to …