The Birthday Paradox involves math, so you know this one will go perfectly.See omnystudio.com/listener for privacy information.

It’s not that the person who can never remember meeting you is snobby or even absent-minded; they may have a fascinating – and often difficult – neurological condition called prosopagnosia, known more commonly as face blindness.See omnystudio.com/listener for privacy information.

Rubik's Cubes. Ronald Reagan. Jerry Falwell. Just Say No. One of these things was awesome. Take a guess and hop on board this classic episode, aka the 80s train.See omnystudio.com/listener for privacy information.

People with Down syndrome lead rich, complex lives like any other human, but it’s only been in the last few decades that everyone else stopped persecuting them long enough to notice this. As a result, both their IQ and their life expectancy skyrocketed.See omnystudio.com/listener for privacy information.

Goosebumps are a pretty cool evolutionary holdover from our earlier days as furry beasts. Don't believe us? Listen in. See omnystudio.com/listener for privacy information.

The space around you that you can reach with your arms is a very special place. It’s where we interact with reality. And although we are so good at using it we don’t give it a second thought, our ability to use it is one our most amazing abilities.See omnystudio.com/listener for privacy information.

For millennia humans have recognized four tastes, but in the 1980s a fifth taste first isolated in Japan gained worldwide acceptance - and took off like a rocket! Learn about meaty, musty, savory umami in this classic episode.See omnystudio.com/listener for privacy information.

The Victorians were the first to go bonkers for roller skating and since then the pastime has had bursts of popularity every few decades. Over the years skaters have come up with some amazing things to do on skates that go way beyond just going in circles.See omnystudio.com/listener for privacy information.

Correction fluid goes by many names, but the OG was Liquid Paper. And it has a pretty cool origin story. See omnystudio.com/listener for privacy information.

Chuck loves typewriters because he loves mechanical brilliance. Dive into the cool history of these amazing machines today. See omnystudio.com/listener for privacy information.