S4E1 – How do engines work?

How do you tell a horses age? Phil and Julie discover how vets read teeth, hooks and wear patterns, and explore record-breaking long-lived animals in this fun, fact-packed episode.See omnystudio.com/listener for privacy information.

How do glasses and contact lenses help us see? With help from real optometrists, Phil and Julie explore eye shapes, “pancake” lenses, and why natural light keeps vision healthy.See omnystudio.com/listener for privacy information.

How do hedgehogs survive months of hibernation? Collie Ennis tells Phil & Julie how heart rate, body temperature, and stored fat keep these tiny mammals alive all winter.See omnystudio.com/listener for privacy information.

How do massive trees stay upright? Nick from Redwood Trees talks about roots, pith wood, and flexible fibres let them sway in wind without falling.See omnystudio.com/listener for privacy information.

Phil & Julie explain how car engines turn fuel into movement, from tiny explosions to electric motors, with fun, science, and plenty of laughs.See omnystudio.com/listener for privacy information.

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.See omnystudio.com/listener for privacy information.

Dive into your blood with Julie and Phil and paediatrician Dr. Cilian Ó Maoldomhnaigh to find out how important it really is.See omnystudio.com/listener for privacy information.

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?See omnystudio.com/listener for privacy information.

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.See omnystudio.com/listener for privacy information.

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.See omnystudio.com/listener for privacy information.