Animism
The weather
Defining intelligence
Mimesis
Defining life
Origin of life
Self-reproduction
Extraterrestrial life
Forms of living systems
History [of extraterrestrial life]
Bird songs
Whale songs
Animal communication
Theories of communication
Mathematical notation
Computer communication
[Ideas of] meaning in programs
Meaning and regularity
Forms of [engineered] artifacts
Recognizing artifacts
Artifacts in data
Animal artifacts
[Meaning in] molecular biology
Messages in DNA
Decompilers
Complexity and theology
Purpose in archeology
Dead languages
Teleology
Possible purposes [for systems]
Purposeful computation
Doubling rules [cellular automata]
Searching [for doubling rules]
Properties [of doubling rules]
[Rules implementing] other functions
Minimal cellular automata for sequences
Other examples [of minimal systems]
Minimal theories
Earth from space
Astronomical objects
Natural radio emissions
Artificial radio signals
[History of] SETI
Detection methods [for SETI]
Higher perception and analysis
Messages to send [to extraterrestrials]
P versus NP [and messages]
Science fiction [and extraterrestrials]
Practical arguments [about exterrestrials]
Physics as intelligence
RELATED LINKS