A discussion on the recognition of alien life - A case for an alien ancestry
Identifieur interne : 000F35 ( Main/Exploration ); précédent : 000F34; suivant : 000F36A discussion on the recognition of alien life - A case for an alien ancestry
Auteurs : A. G. Cairns-Smith [Royaume-Uni] ; I. R. Kaplan [États-Unis] ; Peter Berners Fellgett ; Norman Wingate PirieSource :
- Proceedings of the Royal Society of London. Series B. Biological Sciences [ 0080-4649 ] ; 1975.
Abstract
Many modern biochemicals can be formed in significant yields under loosely controlled abiogenic synthetic conditions. They are, in this sense, easy to make and appear to be among the moderately common molecules of the Universe. We might expect a highly evolved life form like ours to have perfected a system that uses a kit of easily made parts. This is a sign of sophistication, but it may well be the hard won outcome of a prolonged evolution. It is by no means clear that this evolution started with anything like the system that it eventually perfected. Arguments are presented, suggesting that our original ancestors had alien biochemistries. It would seem also that synthetic (alien) life is a prospect for the fairly near future.
Url:
DOI: 10.1098/rspb.1975.0056
Affiliations:
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B</title><idno type="ISSN">0080-4649</idno><idno type="eISSN">2053-9193</idno><imprint><publisher>The Royal Society</publisher><pubPlace>London</pubPlace><date type="published">1975</date><biblScope unit="vol">189</biblScope><biblScope unit="issue">1095</biblScope><biblScope unit="page" from="249">249</biblScope><biblScope unit="page" to="274">274</biblScope><biblScope unit="word-count">12409</biblScope></imprint><idno type="ISSN">0080-4649</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0080-4649</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Many modern biochemicals can be formed in significant yields under loosely controlled abiogenic synthetic conditions. They are, in this sense, easy to make and appear to be among the moderately common molecules of the Universe. 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Kaplan</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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