Now you see it, now you don't — optical illusions can fool us into seeing what's not actually there. But what causes that disconnect between perception and reality? Learn all about this visual trickery in today's episode.

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How Optical Illusions Work

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Peyton Hardin Episodes Around March 2, 2017

What's the deal with Baby Boomers?

How Watersheds Work

Are Artificial Sweeteners Really Bad For You?

How Soylent Works

How Dictators Work

How Pacifism Works (And Could It?)

Elastics: Where God and Science Smooch

What's the future of virtual sex?

The Quinoa Revolution!

Live from San Francisco: How Malls Work

Tardigrades: Nature's Cuddly, Indestructible Microanimal

The Black Panther Party

The ins and outs of the DEATH TAX

How Famines Work

How Free Speech Works

How Optical Illusions Work

History of the Trail of Tears, Part I

History of the Trail of Tears, Part II

Pain Scales: Yeeeow!

Southerners Aren’t Lazy and Dumb, They Just Had Hookworm

Solitary Confinement: Cruel and Unusual

How the Hyperloop Will Work

How Foreign Accent Syndrome Works

The Shroud Of Turin: No Ordinary Bed Sheet

SYSK Selects: How Filibusters Work

Composting: Nature's Most Interesting Process

How Empathy Works

SYSK Selects: Can you die of a broken heart?

How Supreme Court Nominations Work

How Supervolcanoes Work

SYSK Selects: Lying Liars: How Lying Works, Liar

Summary