A person who, in lacking the ability to define their own self-worth, tries to make everyone around them feel like an idiot.
Found in STEM fields, always trying to get into a better school than the one you're in now.
Likely has a personal subscription to the science journal "Nature".
Common phrases of the Nature-type:
"Well, ACTUALLY, in the most recent edition of "Nature", it was shown that..."
"It's hard to pick which med school to attend, given that so many have already accepted my application."
"Oh that? That was exceptionally easy for me."