Tony Five, our foreign correspondent in London, England pulls over his car to explain why Lay's is rebranding after finding that 42% of consumers don't know that the main ingredient in potato chips... is potatoes. Associate professor of psychology Dr. Megan Robbins reveals that gossip may confer positive benefits to your romantic relationship. Professor of medicine Dr. Aaron Goodarzi says why he and his fellow scientists want your toenail clippings to help study (and fight) lung cancer. Much to David's delight, professor of dental medicine Dr. Martinna Bertolini extols the many great benefits of tongue scraping. On Conspiracy Corner, Dr. Lee Kuhnle shares details of an intelligence technique called the double bluff, and how field manual 30-31B is an example of the KGB using it. (Catch Lee on his podcast The Uncover Up here.) Former fighter pilot Ryan Graves from Americans for Safe Aerospace discusses how they're helping collect UAP reports as well as destigmatize the process of doing so. Cognitive neuroscientist Dr. Jared Cooney Horvath tells David about his study on twins showing IQ is more linked to your schooling than genetics. Psychology researcher Dr. Nick Ballou explains that a major video gaming belief – how playing always has a negative impact on mental health – is a myth.

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