1. microbiology   deformation and flow of materials under stress   old people and related problems   very minute living organisms   origin and nature of the universe   Hint Half-n-half Clue   2. anemology   fish   secret writings   wind   influence of stars on human destinies   Half-n-half Clue   3. cartography   map-making   mental behavior of humans and animals   organs in living beings with their functions   origin and nature of the universe   Half-n-half Clue