No, There Are No Alien Bar Codes In Our Genomes
Wednesday, January 12, 2011 - 15:50
in Biology & Nature
Even for a physicist, this is bad: Larry Moran, in preparation for the appropriate dose of ridicule that this situation deserves, quotes physicist and pop-science author Paul Davies: Another physical object with enormous longevity is DNA. Our bodies contain some genes that have remained little changed in 100 million years. An alien expedition to Earth might have used biotechnology to assist with mineral processing, agriculture or environmental projects. If they modified the genomes of some terrestrial organisms for this purpose, or created their own micro-organisms from scratch, the legacy of this tampering might endure to this day, hidden in the biological record. read more