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slash UK slash AI for people. On February 26, 2015, I was on a train traveling from New York City to Boston.

It was a Thursday, and I was glued to my laptop trying to get some work done.

Suddenly, my chat group started blowing up over a dress.

You probably know the one.

Good morning.

I'm David Green thinking maybe we should reconsider how we use our time. A debate about the color of a dress on the internet has been consuming people, including people in this studio.

Definitely looks black and blue to me. You're wrong, Linda. It is totally white and gold. Whatever. This image we're looking at here was posted on Tumblr. People online took sides and yelled at each other. Wired magazine

put a neuroscientist and a photo editor on the case. They say the dress is blue and they are wrong.

I'm Christy Ashwanda, and this is uncertain from Scientific American. Today, I'm Christy Ashwondon, and this is Uncertain from Scientific American.

Today, part two of our five-part series on uncertainty.

In this episode, we'll talk with two researchers whose work probes the uncertainty

surrounding how we perceive the world around us.

It turns out that what we see may not always be a perfect reflection of reality.

Consider the dress.

My name is Pascal Wollish, and I serve as a clinical associate professor of data science and psychology at New York University.

In the nine years since the dress blew up the internet,

Pascal has made a career out of studying what the hell everyone was fighting about.

...