Mathematics – Logic
Scientific paper
Jan 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997abos.conf..571m&link_type=abstract
Conference Paper, Astronomical and Biochemical Origins and the Search for Life in the Universe, IAU Colloquium 161, Publisher: B
Mathematics
Logic
Interstellar Space, Speech, Hardware, Software Development Tools, Populations, Biological Evolution, Convergence, Primates, Languages
Scientific paper
First of all, evolutionary convergence works. Both earlier primates and nonprimates have long made tools to a pattern. But one presumed master tool, a protolanguage, is not tangible. It is likely to have been present for two million years during which brain volume steadily grew among our predecessors. Then small societies of foragers very rapidly managed worldwide exploration and settlement, created art, and left a tide of novel techniques and artifacts without any increase in cranial size. This suggests a new software power, not visible in bony relics. A linguist has identified that second empowering step with a major feature universally found in human language. A precondition for interstellar signaling is a hardware technology far beyond any open to clever foragers. Here the additional requirement may be a population large enough to support such elaborate technology. A new formal model suggests that large population growth is as intrinsic to our kind as language. Should such proposals hold, distant counterparts to human development may be frequent.
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