Intelligence + Memory = Electronics, Engineering, Mechanics, Science, Industry
Perception + Willpower = Gunnery, Spaceship Command, Missile Launcher Operation
Charisma + Intelligence = Planet Management, Social
Willpower + Charisma = Trade, Leadership
Navigation = Intelligence + Perception
Corp Management = Memory + Charisma
Drones = Memory + Perception

Damage types from NPC's:
Amarr/Ammatar/Blood Raiders/Khandid/Sansha - EM/Therm
Caldari/EoM/Odamian/Serpentis - Therm/Kin
Gallente/Gurista/Mordus/Syndicate - Kin/Therm
Angel/Republic/Thukker - Exp/Kin
Rogue Drones - Exp/Kin/Therm
Merc/Sleepers/Concord - Omni

Best Damage to NPCs
Angel/Thukker - Exp
Caldari/EoM/Gurista - Kin
Merc - Therm
Blood Raiders/Sansha - EM/Therm
Syndicate - Kin/Therm
Mordus/Serpentis - Therm/Kin
Concord - Kin