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Why we should search for alien artifacts | Beatriz Villarroel | TEDxZurich

Source | YouTube | TEDx Talks

For 60 years, astronomers have scoured the Universe for signs of extraterrestrial life, but found nothing. Dr Beatriz Villarroel suggests they are looking for the wrong signs. The pentagon’s recent attention to unidentified flying objects inspires a new search for probes from extraterrestrial civilizations in our Solar System. The search has just begun

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