Among other things:
If the
subdominant and its parallel really
exists.
Why Achilles will overtake the tortoise.
If you can think the same thoughts as someone else without having
access to the same words and/or concepts.
How people eating in public (e.g. on the tram) vividly illustrates
our ape ancestry.
How to get that annoying tune out of my head.
Is there a common denominator between all things we call
"music"?
How to get into grad school without selling my soul to the
postmodernists, and how to finance it.
If I should work as a mailman instead.
What the relationship between intuition and reasoning is.
What time it is (and what time is).
What causes that sense of having forgotten something really
important.