UFO sightings: an otherworldly history
HistoryExtra podcast
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The History of UFOs
UFOs were created out of the Cold War tensions, he says. People have seen odd things in the sky before - they always have done. Even people living in remote tribes in Brazil will hear about UFOs if you go and talk to them. NASA has said that there will always be incidents that can't be explained. But Occam's razor tells us we should look for most simple explanation.
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