Why Do Cats Purr?

Who invented the peanut butter and jelly sandwich? And how did it become one of the most famous lunches in America? In this episode, a question from listener Leila sends us on a trip through history to find out how peanut butter, jelly, and sliced bread came together to make the ...  Show more

Why do humans usually have five fingers on each hand? And what if one day, we could grow a new finger if we lost one? In this episode, a question from six-year-old listener Ayla sends us on a journey from tiny developing embryos to one of the most amazing animals on Earth: the ax ...  Show more

Cats purr for all kinds of reasons, including communication and healing themselves. Christian explains how purring works and which cats can't do it.

Why do cats purr? How do cats purr? Why can't we purr? Why do cats "talk" to people, but not other cats? Why do cats sharpen their claws? Are orange cats only male? Why do cats like milk and not water? Why are some cats crazy? Can cats see color? All of your cat questions answ ...

Cats purr when they’re happy and kittens purr so their mothers can find them. But it turns out purring may be more like a snore than a smile.Read this story here. 

We've lived side-by-side with domestic cats for thousands of years, yet they maintain an aura of mystery and a reputation for aloofness and even outright disdain for humans. But are cats really so enigmatic – or are we only just beginning to understand them?

In this epi ...