You've been taught to watch for crossed arms and averted eyes. The research says that skill doesn't exist—not even for professionals. Here's what to do instead.

You can't learn from your mistakes—because anxiety-based lie detection training never lets you count them. No batting average, no save rate, and no field goal percentage: it records only the hits. I trusted NLP, microexpressions, and baselining once, and they pointed me at an innocent man while the real evidence sat on a phone I'd turned off. Human deception detection runs about 54%—barely better than a coin flip. Here's why the science-based fundamentals beat the pseudoscien