A math equation landed an Ivy League professor on an American Airlines flight in questioning Thursday under suspicion of being a terrorist.

Guido Menzio, an economist at the University of Pennsylvania, was working on a differential equation while waiting for the Syracuse-bound plane to take off from Philadelphia, the Washington Post reported. He had to present the findings of a working paper at Queen’s University. But a passenger somehow mistook the equation for Arabic or some sort of Islamic code for a terrorist attack.

That’s how the 41-minute flight ended up delayed by two hours—a false alarm the olive-skinned, curly, dark-haired native Italian chalked up to racial profiling…. see more

source: usatoday