A biochem Peter? David's eyebrows are definitely going up there. That's new and he sort of likes it.

"Mutants tend to manifest their power in puberty, often in relation to a high stress situation. The powers are different. So it can be very interesting and a mystery as to what someone can be. But people like you, mutates as opposed to mutants, tend to have powers somehow related to that which changed them. Chemicals and radiation can affect in specific ways. Having your biology messed with by being bit by a specific spider, yeah. Changes that seem to correlate to source."

Yeah, he's learned a lot about this stuff.