¿Y si NO somos la primera civilización en la Tierra?

Publi. Prueba ChatLLM de Abacus AI por solo 10$: https://chatllm.abacus.ai/cde Referencias: 1. Dialectos orcas: https://cordis.europa.eu/article/id/180894-the-evolution-of-killer-whale-dialects 2. Sombreros de salmón: https://www.nationalgeographic.com/animals/article/orcas-puget-sound-salmon-hats-killer-whales 3. Orcas ibéricas: https://newatlas.com/biology/orcas-killer-whales-boats 4. Orcas y humanos: https://livescience.com/animals/how-often-do-orcas-attack-humans 5. Cuervos herramientas: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4650250/ 6. Chimpancés Edad Piedra: https://pmc.ncbi.nlm.nih.gov/articles/PMC1805589 7. Reiniciar sin fósiles: https://longnow.org/ideas/how-hard-would-it-be-to-restart-civilization-from-scratch/ 8. Hipótesis siluriana: https://arxiv.org/abs/1804.03748 9. Plutonio-244: https://physicsworld.com/a/exploding-stars-alone-cannot-account-for-rapid-heavy-element-production-study-reveals/ 10. Reactor Oklo: https://physics.aps.org/story/v14/st18 11. Cenizas pérmicas: https://sciencedaily.com/releases/2011/01/110123131014.htm 12. Origen PETM: https://pmc.ncbi.nlm.nih.gov/articles/PMC5582631 13. Cerebro Troodon: https://en.wikipedia.org/wiki/Timeline_of_troodontid_research 14. Artefactos lunares: https://earthsky.org/space/look-for-alien-artifacts-on-moon-says-renowned-scientist