Crazy aviation conspiracy theories

Have you heard some of these outlandish theories about planes and airports? You’ll have to read them to believe them (or not!).
Aeroplanes spray mind-control chemicals

If you’ve ever wondered why aeroplanes leave cloud-like trails in their wake, conspiracy theorists have a wacky idea. They claim a government program is spraying chemicals through the atmosphere that control the weather or even the minds of people below. For those who need proof to the contrary, a team of 77 scientists investigated whether the condensation trails showed any indication of chemical spraying, and 98.7 percent found no evidence. The only hint of anything fishy was high levels of barium in the atmosphere but low levels in the ground – but even the expert to find that agreed a secret government operation was unlikely.
Don’t miss these 12 conspiracy theories that actually did turn out to be true.
Oxygen masks get passengers high

You can thank a line in the movie Fight Club for spreading the idea that oxygen masks are to keep passengers in line. “In a catastrophic emergency, you’re taking giant panicked breaths. Suddenly you become euphoric, docile. You accept your fate,” Brad Pitt’s character says in the movie. Not only is that totally unfounded, but the oxygen would actually do the opposite. Euphoria is a symptom of lack of oxygen when plane cabins lose pressure, which is just one reason the masks are released. (It could also lead to unconsciousness or death, so don’t test your luck at keeping the mask off.) The lack of pressure usually isn’t an emergency, and the several minutes of oxygen is plenty of time for the pilots to fly to a safe altitude, pilot Patrick Smith tells The Telegraph.
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