"The easier something is to think of, the more it feels true," says management and psychology professor Adam Grant. "The harder something is to think of the more false it feels.""Why Are We All So Stupid'" explores the cognitive biases that lead us to make irrational decisions. This episode focuses on the availability bias, which makes us believe something is more likely because it's easier to remember. Here's why the news has broken our brains.Watch other episodes of "Why Are We All So Stupid'":Overconfidence Bias: Asking Couples About Their RelationshipsAnchoring Effect: Guessing How Many Jelly Beans Are In A JarPricing Effect: Why A Higher Price Tag Makes Wine Taste BetterEndowment Effect: Trying To Buy People's Lottery TicketsEDITOR'S NOTE: This video was originally published on December 14, 2018.Join the conversation about this story Click here to read full news..