There is a lot of UFO reference in the media lately so people are looking up more, noticing things more and reporting them. Plus everyone has a camera with them, if you record something and show it around it lodges in your head more, you are more likely to report it and be on the lookout for more.

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The US was never very natively scientific but it saw the power of science and so bought, imported and kidnapped its scientists. It no longer sees things so clearly but China has 20/20.