Life:
- human
- fungus
- ecology
- physiology
- biochemistry
- nervous system
- emotion
- psychology
- thought
- sensory nervous system
- robot
- communication
- information
- human body
- imagination
- metaphysics
- aesthetics
- stem cell
- worldview
Space:
- home
- map
- architecture
- euclidean space
- game
- time
- computer science
- cognitive psychology
- anthropology
- philosophy of mind
- interface (computing)
- road
- ontology
- topology
- entropy
- mysticism
- research
- dewey decimal classification
- library classification
Language:
- language
- writing system
- natural language
- basic
- metaphysics
Future:
Mathematics:
- mathematics
- physics
- mind
- memory
- chemistry
- philosophy
- consciousness
- taxonomy (general)
- law
- truth
- logic
- geometry
- linguistics
- algorithm
- ascii
- programming language
- soul
- epistemology
- free will
- reality
- equation
- function (mathematics)
- acceleration
- force
- area
- complex number
- artificial intelligence
- constitution of the united states
- calipers
- set theory
- integer
- torus
- renewable energy
- axiom
- theory of everything
- theoretical physics
- metaphor
- group 18
- triangle
- memetics
- hammer
- exponentiation
- boredom
- doctor who
- door
- holy spirit
- computer program
- schizophrenia
- work (physics)
- game theory
- ideal (ring theory)
- understanding
- scientific method