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Most likely it is nonsense. The carbon and nitrogen composition of sedimentary layers will show anomalies in case of intelligent civilizations. https://arxiv.o
by namirez 7y ago
Most likely it is nonsense. The carbon and nitrogen composition of sedimentary layers will show anomalies in case of intelligent civilizations.
https://arxiv.org/pdf/1804.03748.pdf https://arxiv.org/pdf/1804.03748.pdf
- ncmncm 7y agoThe article you link directly contradicts your claim.