Explore every episode of the podcast Let's Dive In

Julie & Phil journey into space with Astronaut Bruce Melnick to find out how the biggest telescopes get up there, and why they’re up there in the first place.

Dive into your blood with Julie and Phil and paediatrician Dr. Cilian Ó Maoldomhnaigh to find out how important it really is.

The podcast returns for Science Week 22 with 10 inspirational, investigational and altogether illuminating new episodes. Starts Thursday 17th November

Our bold presenters dive in to science itself! To explore what science and scientific research are with contributors from across the series.

Julie and Phil join Red Arrows pilot Nick Critchell to find out that jet planes have magical powers like Elsa from Frozen!

Why are we all different colours? And why aren't we stripy or spotty like the other animals? Julie and Phil dive in!

Barring earwax, for the first time Julie and Phil can actually dive into this topic with Phil’s Dad, Brian, to talk about how drinking water makes it to our taps. And a lot more splashy goodness.

Julie and Phil speak to two audiologists to find out what earwax is, what its for, and whether your ears sneeze in order to get it out!

To answer a question from 7 year old Ben, Julie and Phil speak to a real life Tarzan about giraffes and their long necks, and to zookeeper Tom about how to look after giraffes.

Julie and Phil meet Critter Shed Head Honcho Collie Ennis to find out why this tube-of-crisps shaped animal isn’t native to Ireland, and why it’s such a great predator.

Phil and Julie launch into space with a real live astronaut and a satellite engineer to find out if astronauts, and satellites, wear suncream up in space.

Join Phil and Julie as they Dive In to your mouth and follow your dinner to see how it gets turned into farts!

Alan Foster joins Phil and Julie from Antarctica once more to explain what might happen if you fell into the gravitational pull of a dying star. Who likes spaghetti?

Julie and Phil are joined by Kurt Schwenk, a biologist at the University of Connecticut in the USA to dive in to find out how tadpoles breathe.

Alice and Florence caught a wolf spider in their house, and asked why do spiders have 8 eyes, and we only have two? Julie and Phil met Collie Ennis of the Critter Shed to find out.

Nova asked a tricky question about trees so Phil and Julie find an expert arborist, Nick Rose who answers it and so much more. Plus, an experiment for you to do at home.

How far can you see with a telescope? Julie and Phil are joined by Space Pirate Lana to find out.

In a festive special, Phil and Julie meet an arborist who knows all there is to know about trees. And, in this particular episode, those green spiky ones we all have in our corners right now!

Phil and Julie literally dive in to the Southern Ocean with oceanographer Nick up in Norway to find out.

Can you walk on Jupiter? Julie and Phil Dive right to the centre of the giant planet to find out.

Why does the heart pump? Phil and Julie take a trip into the heart to find out why and how it needs to keep beating.

Is black a colour, or is white? The kids can’t agree so Phil and Julie try different experiments with paints and lasers to find out!

How do scientists (and pirates) make explosions? Shipmates Julie and Phil are joined by a special guest as they make tiny rockets and slow burning fuses.

Julie and Phil join forces once more with Critter Shed bug expert Collie Ennis to find out why these tiny creatures are of such huge importance.

Julie and Phil have a fun-filled adventure into the larynx as they find out how we talk, but also why! Expect baby noises, cats and to make some silly sounds (and faces!).

Phil and Julie dive in to children’s questions about life, the universe and everything in it. Whether it’s about planets, farts, emotions or even pirates, you’ll be amazed, astonished and intrigued as they set up experiments, speak to experts and take you down a rabbit hole to discover new things. Available weekly from Monday 9th November.

10 year old Bobby asks a catastrophic question but Phil and Julie ask scientist Alan Foster for a detailed and somewhat reassuring answer. Because he’s just spent 9 months in Antarctica, 6 months of that without any sun. 

Julie and Phil join forces with Critter expert Collie Ennis to find out how snails grow their shells. 

Julie and Phil speak with memory expert Ciara Greene to find out where and how memories are made in the brain. 

Julie and Phil dive into the human body with Tissue Handling Technician Hannah McGivern to find out how many organs you can live without.

Julie and Phil welcome retired NASA astronaut Bruce Melnick back to the show to talk about the time in space.

Julie and Phil talk with Simon Watt to find out what noise-making kits different animals have.