What is the definition of Mainstream Experiments?

"Mainstream experiments, folks, are like the grandma who thinks she's an expert in baking sourdough bread but accidentally makes a whole loaf of her own tangy rebellion. They're the everyday, safe, and slightly silly scientific endeavors that everyone agrees is cool enough to watch on TV, like the time a scientist decided to test the effects of meditation on the local pigeon population and ended up discovering pigeons can now do yoga."

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Example sentence with an edgy twist: "Despite the scientific consensus that deep breathing exercises will somehow cure your anxiety, mainstream experiments have shown that most people's stress levels actually spike when they try it—like when you're trying to calm your cat down with a calming lavender inhaler and accidentally make them do a dance."