Today we're talking about something that all of us do. They can be loud or soft, sometimes smelly and almost always funny. We're talking about fluffs, toots, air biscuits - yes, farts! - and why they come out of our bums. Join Professor Kourosh Kalantar-Zadeh as we shrink to fit inside his gas-smelling capsule to follow the journey of gas in our bodies.

The Sun is hot and bright, it helps plants grow and keeps us warm. But did you know, the Sun is also a star? How come there are so many tiny, twinkling stars at night and just one sun lighting up the world in the day time? Let's blast off into outer space with Professor Lisa Harvey-Smith for a closer look at our closest star.

There are lots of words in lots of languages in the world. There's a word for almost everything we can imagine! But how did words start? And why do languages all sound so different? Let's take a ride in a time (and place) machine with Dr Howie Manns to learn about how and why people come up with words.

Water falls as rain from the sky, or runs through rivers, creeks and lakes. So how does it get into our taps, toilets and garden hoses? Let's imagine ourselves as falling raindrops with Dr Anna Rigosi, so we can follow the great water journey from the sky all the way to the kitchen sink.

While you wait for new Imagine This, take a listen to Little Yarns! Hosted by Gamilaroi girl, Rudi Bremer, Little Yarns is a podcast that takes your ears on Country to share some of Australia's First languages and have a little yarn! New episodes are out every Monday.

Dr Nij is back in The Imaginarium, working his way through all your weather questions!

Animals come in all shapes and sizes, and colours and patterns! But have you ever wondered why?

Storms can be wet and windy, but how do they make bright lightning and loud thunder?

Fire is really hot, and it can be dangerous, so what is a cool fire?

Have you ever wondered how little bits of paper comes from big, tall trees? How do they get it so thin and flat?