If extraterrestrial life is out there, could it be proven with astronomical records from the past? 👽 | National Geographic TV

The SETI Institute is the only organization fully dedicated to finding intelligent life beyond Earth. We're less than $4k away from meeting our funding goal for the year, and all gifts made through 11:59 p.m. TODAY will be doubled! With limited federal funding, YOUR SUPPORT is the only way we'll answer the age-old question, "Are we alone?" Support the search: https://bit.ly/3Jsog97 | SETI Institute

Due to technical difficulties from last night's SETI Talks event, which were joined already in progress here on Facebook, we have uploaded the full version. Enjoy! This presentation was streamed live from the California Academy of Sciences in San Francisco. Human society and the global ecosystem are at a critical point in time, facing climate and biodiversity crises. According to a recent analysis, the sixth mass extinction of wildlife on Earth is accelerating. More than 500 species of land anim

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