More specific terms
- NT acid rain
- NT acoustics
- NT algorithm
- NT anatomy
- NT animal
- NT arithmetic
- NT astronomy
- NT atmospheric phenomenon
- NT biological sciences
- NT biology
- NT botany
- NT calculation
- NT cartography
- NT catastrophe
- NT celestial body
- NT chemistry
- NT child rearing
- NT climatic phenomenon
- NT day nursery
- NT drug
- NT earth sciences
- NT ecology
- NT electrical phenomenon
- NT electricity
- NT electronics
- NT exploration of the earth
- NT fish
- NT fishery
- NT food chain
- NT genetics
- NT geography
- NT geological phenomenon
- NT geology
- NT geometry
- NT geomorphologic phenomenon
- NT greenhouse effect
- NT illness
- NT invertebrate
- NT light
- NT magnetic phenomenon
- NT magnetism
- NT mathematics
- NT mechanics (physics)
- NT medicine
- NT meteorology
- NT micro-organism
- NT microbiology
- NT mineralogy
- NT natural phenomenon
- NT natural sciences
- NT nuclear physics
- NT number
- NT nursing education
- NT optical phenomenon
- NT optics
- NT palaeontology
- NT pharmaceutics
- NT physical phenomenon
- NT physical sciences
- NT physics
- NT plant
- NT pollution
- NT preventive medicine
- NT probability
- NT quantum mechanics
- NT quantum theory
- NT regional geography
- NT regional language
- NT reptile
- NT sciences
- NT scientific concept
- NT scientific theory
- NT scientist
- NT social geography
- NT sound
- NT space sciences
- NT statistics
- NT thermal phenomenon
- NT thermodynamics
- NT undulatory phenomenon
- NT vertebrate
- NT zoology