What Exactly is Absolute Zero? – Physics & Temperature Science for Kids

More from STEM with Dr. Owl All episodes →

1. 

   E275 · 12 Oct 2026 · 10 minNew

   Why Do Helium Balloons Shrink? – Physics & Chemistry for Kids

   Discover the physics and chemistry behind gas density and buoyancy to understand why party balloons slowly shrink and fall to the floor. Join Dr. Owl, Emma, and Ziggy as they zoom in to the microscopic level to explore how tiny helium particles escape through solid-looking rubber polymers!

2. 

   E274 · 9 Oct 2026 · 13 min

   [Ziggy's Mailbag] What's Hiding in Your Blood? & More Spooky Body Science!

   Discover the fascinating science of human anatomy as we explore the functions of blood cells, tooth enamel, bone healing, and the nervous system. Ziggy the Robot transforms the lab into a silly haunted house to answer your spookiest body mysteries. Join Dr. Owl and Emma to find out why we shudder, how broken bones fix themselves, and why our blood is like the ultimate rescue team!

3. 

   E272 · 5 Oct 2026 · 14 min

   How Can An Excavator Be So Strong? – Hydraulics & Engineering for Kids

   Explore the mechanical engineering and physics of hydraulics that give giant excavators their incredible lifting power. Answering fantastic questions from our curious explorers Everett and Kaiyi, Dr. Owl and Emma head to a muddy construction site to investigate how pressurized liquid, heavy counterweights, and wide tracks work together to move mountains of dirt. Plus, find out what happens when Ziggy tries to upgrade his own mechanical strength using a belly full of apple juice!

4. 

   E271 · 2 Oct 2026 · 16 min

   [Ziggy's Mailbag] All About the Moon! – Astronomy & Lunar Science for Kids

   Learn how the Moon formed, why it changes shape, and what astronauts left behind in this special listener Q&A edition. Dr. Owl, Emma, and Ziggy dive into Ziggy's Mailbag to answer curious questions from real young explorers about lunar dust, gravity, and Apollo rocket missions. A fun, fact-filled lunar adventure explaining Earth's closest neighbor in space.

5. 

   E270 · 30 Sep 2026 · 13 min

   How Do Birds Fly, and Why Can’t We? - Animal Science & Flight for Kids

   How do birds fly, how do bugs stay up, and why can’t people flap their arms and take off? Emma follows a bird from takeoff to landing while Ziggy tests his cardboard wings. Discover lift, gliding, the tiny wing moves of insects, and the machines that let humans fly.

6. 

   E269 · 28 Sep 2026 · 11 min

   How Do Tornadoes Form? – Weather Science & Meteorology for Kids

   Discover the science of extreme weather as we explain updrafts, wind shear, and how mesocyclones create tornadoes. Join Dr. Owl, Curious Emma, and a very dizzy Ziggy the Robot in the weather lab to solve the mystery of why only some thunderstorms spin. Find out exactly what ingredients it takes to build a twisting funnel cloud and learn important tornado safety tips along the way!

7. 

   E268 · 25 Sep 2026 · 13 min

   [Ziggy's Mailbag] Why Do Trees Grow Curvy and More! - Plant Science & Biology for Kids

   Discover the incredible science of plant biology, including how flowers use turgor pressure to bloom, why leaves change color in autumn, and how evergreen trees survive the freezing winter. Join Dr. Owl, Emma, and Ziggy as they open the mailbag to answer explorer questions and learn the secret superpower plants use to bend and reach the sunlight!