Is it cheating to say you’ve read a book if you only listened to it on tape? Over the centuries, the way we think about reading has changed a lot. There was a time, for example, when reading silently was considered strange. Plus, what do you...
First-century graffiti. People in ancient times could be just as bawdy and colorful as we are today. To prove it, we found some graffiti written on the walls in the city of Pompeii, and found plenty of sex, arrogance and good old fashioned bathroom...
Springtime is the right time to feel twitterpated—you know, you’re smitten beyond a crush. Speaking of relationships, are dog owners really owners, or should they call themselves something else, like guardian or human? And if you’re up...
What’s the best way to win at scissors, paper, rock? Grant delves into the game’s various monikers, its roots going back centuries in Europe and Asia, and the role it plays among children learning about fairness. Studies have even been...
“What happens when you throw a yellow rock into a purple stream? It splashes.” (Ba-dump-bum.) Grant and Martha share this and other favorite riddles, some with deceptively obvious answers. This is part of a complete episode. Transcript...
A Little Rock, Arkansas, caller has been going out with a Chinese woman. Her English is pretty good, but he wonders about the most polite way to correct a minor grammar mistake without ruining a new relationship. This is part of a complete episode...

