Indeed, co-author Hack expects the brain-cooling yawning theory to be "very controversial—we're delving into an area that's not well understood."

事实上，合著者哈克期望打呵欠大脑降温理论“非常有争议性——我们正在探究的是一个未知领域。”

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Through perceptual experiments, interactive games and illusions, the show is able to, in a sense, "hack your brain, " Silva said.

CNN: New TV show plays tricks on your brain