You'd be surprised how often you can impress people with an iota of initiative and forethought / googling. Hell, I impressed a neuroscientist with a rigorous e

You'd be surprised how often you can impress people with an iota of initiative and forethought / googling. Hell, I impressed a neuroscientist with a rigorous education in maths the other day (I'm a dropout) by calculating the tip in my head instantly.