We Sent a Message to Aliens - And Scientists Regret It

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We Sent a Message to Aliens - And Scientists Regret It

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Back in 1974, scientists gathered at the giant Arecibo radio telescope in Puerto Rico and decided to do something bold—beam a cosmic postcard into space. It wasn’t just “hi, we’re Earth,” it was a detailed message packed with math, DNA, and even a sketch of what humans look like. The goal? To reach any intelligent life out there who might be listening. But here’s the twist: decades later, some scientists are asking if that was reckless—what if we just gave our address to the wrong neighbors? This video takes you deep into the story of the Arecibo Message, why we sent it, and why some experts regret it today. It’s a science mystery with a side of “oops.” Learn more about your ad choices. Visit megaphone.fm/adchoices

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