[orang2tang]

>another student declared to me that they "knew the chemical formula for a human"

Maybe he was just joking around?

[ben_w]

She appeared quite serious, but this was the late 90s so it is entirely possible I've misremembered.

And it is also entirely possible that my teenage self simply didn't spot any attempted jokes on her part; as memories aren't like video recordings I can't play the event back with the awareness I have now.