Weather and Climate

Looking for an escape? Join Molly and co-host Julian as they explore Antarctica! They’ll learn about Antarctica’s massive ice sheets and active volcanoes — plus they’ll meet the largest land animal on the continent!

Satellites are like robots in the sky: they monitor the weather, make GPS possible, and take stunning pictures of outer space! But how exactly do they work?

Sand! We use it to make all kinds of things, from spectacular sandcastles to roads and bridges. But where does it come from? And why is the sand on so many beaches disappearing?

Listener Gideon sent in this brilliant question: “How did ferns survive the dinosaur extinction and are they the same ferns we see now?”

Grab your raincoat, and join Molly and co-host Lily as they float into the clouds to learn about lightning!

Everything in our world is powered by energy!

What would life look like in other parts of the galaxy, or beyond?

Plastic is useful but also a danger, because a lot of it is ending up in our oceans, where it’s sucked into swirly twirly whirlpools of garbage.

There are more than a million different species of insects out there, from speedy dragonflies that zip through the air as fast as a car to rainbow-colored beetles living in tropical rainforests. But why does the world need bugs?

Even though we can’t feel the weight of each individual air molecule, all together they weigh a lot! But how much does the sky actually weigh?

Concrete is so much more than just a sidewalk. To celebrate this superlative substance, Molly and cohost Mark are joined by special guest Concreature, a being from the concrete dimension! Tune in for a dose of history, some magnificent moss, and some hot, hot science.

Every time you flush, your poo and pee start an epic journey. From the toilet, to the sewers, to a treatment plant, our waste travels quite a distance only to end up cleaner by the end.

This episode is going to make you sweat!

Find out why the sea is salty!

How do hurricanes form, how do we live with them, where do they get their names and how do we learn about them?

Living on Earth, it’s hard to imagine there are bits of stars in us, but it’s true!

The ExPLORERR was built to go everywhere. That’s why this vehicle’s full name is: the Extremely Practical Land and Ocean Rover Exploring Remote Realms. And guess what? It has a recording studio built on-board! Good thing, because this episode was recorded while traveling up, up, up a mountain!

Snow days - snow daze - snow dazzle!