Tumble en Espanol: ¿Qué pasaría si no hubiera...

Today's episode was based on an old Slavic folk tale. Momo and Papa live high up in the mountains and one day Momo decided to bake Papa a roll. Follow along to find out what unexpected things happen next! Draw us a picture of what you think any of the characters in this story loo ...  Show more

Today's Episode is a Czech fairy tale, all about a girl named Marushka who lives a tough life with her sister and step-mother. She is not treated very well by either, but on a cold winter day, while out on an errand for her sister she stumbles upon something magical. Draw us a pi ...  Show more

To us Earthlings, the moon is the ultimate cosmic chameleon. It’s always changing! Some nights it’s waxing, some nights waning, one day it’s full, and just two weeks later, it looks like there’s no moon at all. This is called a new moon, when the face of the moon is entirely in s ...  Show more

Why has the moon fascinated humans for so long? The moon in culture, how it affects life on Earth and what the moon is really like. Originally broadcast 21 July 2014. 

What physical processes have shaped the Moon? In this lecture, I describe the surface features of the Moon (the Maria and Highlands), how crater density tells us the relative ages of terrains, and what we have learned about Moon rocks returned by astronauts and robotic probes. I ...  Show more

We’re bringing back an episode from the archives, all about the moon: Why does the moon change shape? How much does it weigh? What color is it? Why does the Earth only have one moon? Why does it have holes? Where does it go when we can't see it? Why do we sometimes see it in t ...