Answer:
Adored by few, feared and hated by many. Mistress of the entire universal reason, master in the art of numbers. Some may have solved many of my mysteries, but there are still many of them to find. What am I?
What is easy to spot but hard to find?
I am bought by the yard but worn by the foot. What am I?
I am a daily ritual involving using a metal tool on the body
With three eyes and as black as night I frequently knock down ten men with a single strike!
What never gets any wetter no matter how hard it rains?