Other
Scientific paper
Feb 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998acppb..29...11v&link_type=abstract
Acta Phys. Pol., B, Vol. 29, No. 1 - 2, p. 11 - 23
Other
Origin Of Life
Scientific paper
In earliest cosmic history the universe started with matter and not with antimatter. Shortly after the beginning the electroweak interaction prominent in nuclear β decay acted as a lefthander. Much later, in pre-biotic evolution, optically left-handed amino acids determined the unique signature of following terrestrial organic life. Again aeons later, homo sapiens appears as predominantly right handed and creates cultures with many broken symmetries. Along these pathways of history it was essential that choices were made - left or right, matter or antimatter - but on several instances it seemed less relevant which choices were made. We think that biochirality occurred by global chance; perhaps by local necessity, but without causal links to the PCT theorem. In other cases - e.g. the standardization to right-handed screws - the choice will have been made by causal necessity.
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