Professor Brian Schmidt, a Nobel Prize-winning astrophysicist, joins the conversation to explore the origins of the universe. He delves into the awe-inspiring journey from the Big Bang to the formation of stars and galaxies. The discussion touches on whimsical theories, like the universe being the result of a giant seed or a cosmic flatulence, before grounding itself in scientific explanation. Schmidt emphasizes our profound connection to the cosmos, revealing that the elements in our bodies were forged in stars, highlighting the interconnectedness of all existence.

Purring pussycats and panting pups... Pretty parrots and even fluffy farm animals... Our furry friends make our lives better in so many ways but how did this friendship start? Nij and the kids meet anthrozoologist Professor Pauleen Bennett to journey back in time to meet humankind's first pet...

As the sun sets and the sky gets dark, something else starts to happen... The lights come on! There are lots of different kinds of lights but what's happening inside an LED light bulb? Nij and the kids meet physicist Professor Chennupati Jagadish to shine a light on this tricky question...

If plants come from seeds but seeds come from plants then how do you get a seed to start off with? Nij and the kids meet ecologist Professor Angela Moles for a bushwalk to find some answers... 

At the end of each day, your arms and legs feel heavy and your eyes begin to close, your mouth stretches open to do a big yawn and you drift off to sleep.... But why? Nij and the kids meet Dr Jasneek Chawla to figure out what makes us sleep and why we have to!

It's in supermarkets and schools, computers and cars... plastic is just about everywhere! But what is it actually made from? And how do you make it? Grab your lab coats and safety goggles because we're off to meet Professor Veena Sahajwalla to find some answers...

Is it a bird? Is it a plane? No, it's a bird expert IN a plane! Let's soar the skies with pilot and zoologist Milly Formby as she shows us how birds fly.

Are you ready to turn back time? Let's wind back the clock with Dino Dome's Fact-o-saurus, Tim Richards, and follow in some ginormous footsteps to learn how dinosaurs got so big!

Sometimes a beach can look full to the brim, other times the sand seems to go for miles. Is the water going somewhere else? Why does it change throughout the day? Let's find Associate Professor Ana Vila-Concejo to find the answers in some stellar places...

Nij has taken a tumble and has grazed his elbow! It stings and there's a little bit of blood. Ouch! Time for a check-up from Dr Greg Kelly. He's going to show us all the millions of helpers that work together to heal your skin.