Do Aliens Exist?

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

In the final episode of our series about myths and legends, we’re launching our imaginations into outer space!

Monster expert Emily Zarka tells us about her favorite alien and why aliens fascinate so many people. In the Hoax Hunters season finale, Marc and Sanden br ...

Ciaran and Dan delve into one of the biggest mysteries of all time: Are we alone in the universe? With the help of Voyager Golden Record artist Jon Lomberg and more, we try to discover how we might know if something else was out there and if we ever did discover alien life, how w ...  Show more

Zack and Zizi investigate a strange new house in their local park, only to learn that it's some kind of thinking spaceship! When space-houses start springing up everywhere, the kids need to call an old friend for help: Peter the Realtor (aka Petey the Pirate).  Lessons include: ...  Show more

Humans and every other living thing on Earth are perfectly suited to our wonderful planet. There’s life everywhere, from boiling-hot ocean vents to chilly mountain peaks. But what would life look like in other parts of the galaxy, or beyond? What would happen to our bodies if ...