Why do humans press palms with strangers? That deceptively simple question leads us down a fascinating historical path stretching back thousands of years. What began as an ancient safety measure—extending empty hands to prove you weren't concealing weapons—has evolved into one of humanity's most universal gestures of trust and connection.

Ever wondered who invented the very first car and how automobiles came to be? Join us as we travel back in time to meet the early inventors, discover what the first cars were like, and see how they changed the world forever.

From Carl Benz’s three-wheeled motor wagon to Henry Ford’s game-changing Model T, we’ll explore the bumpy, noisy beginnings of automobiles, why we still measure power in horsepower, and even how fast the first speeding ticket was for. 

Buckle up—it’s going to be a fun ride through history!

What lives at the bottom of the ocean?

The deep sea is dark, freezing, and full of pressure — yet it’s bursting with some of the most bizarre and amazing creatures on Earth. From glowing vampire squids to Dumbo octopuses and giant isopods, this episode of I Wonder Podcast takes your kids on a journey into a world we’ve barely explored.

Dive in together and discover the strange, fascinating, and downright alien life that thrives miles below the surface.

Journey with us on "I Wonder" as we unravel this classic conundrum of what came first, the chicken or the egg. We've cracked the mystery wide open, revealing that the answer is as scientific as it is philosophical. You’ll discover the twists and turns of almost-chickens and learn how a tiny DNA tweak in an egg gave birth to the very first true chicken. This story goes beyond just chickens and eggs—it's a billion-year-old saga that binds us all.

Today's episode is a follow-up episode on bridges and takes us on a journey across an incredible feat of engineering - bridge building. But not just any bridge. We're talking about the longest bridge in the world. Where is it, how long is it, and how did people even build something so massive? Let's dive in and find out.

What a head scratcher of a question, Lily. These birds spend their days hammering away at trees like tiny lumberjacks, so it's natural to wonder if all that pecking gives them a splitting headache. Let's dive into the fascinating world of woodpecker biology to find out how they handle their high-impact lifestyle.

Did you know? During World War II, pilots had to change their flight paths just to avoid leaving contrails! Why? Because enemies could spot them in the sky!

Contrails aren’t just cool to look at—they’ve played a big role in history, too!

Singing to plants is a popular idea, but is there any truth to it? Let's uncover the science and a little bit of the mystery behind whether music and voices can really help your garden grow. 

Who invented chocolate, and how did it go from a bitter drink to the sweet treat we love today? 

Butterflies are not just beautiful creatures; their colors serve many functions. This episode explores the biology behind butterfly hues, the importance of color in communication and survival, and the fascinating ways these insects thrive in their environments.

Fruit is delicious and a big part of our diets, but trees don’t grow fruit just to feed us. They produce fruit because it helps them reproduce. Let’s dig into the science of fruit and discover why it’s such an important part of a tree’s survival.

It’s tempting to think that the bigger the brain, the smarter the person—but the answer isn’t that simple. Let’s dive into the science of brains, intelligence, and whether size really matters.

Bones are some of the most amazing parts of our bodies—they’re alive, adaptable, and essential for everything we do. Let’s explore what they do, how they grow, and why they’re so important to human evolution.

Santa Claus is such a big part of Christmas, but have you ever wondered where his story began? Let’s take a sleigh ride through history and discover how Santa Claus became the jolly figure we know and love today.

Ever wondered what it truly takes to be a better friend? Unlock the secrets to nurturing deeper and more meaningful connections in this episode of "I Wonder", sparked by Samantha's heartfelt query on improving friendships. 

Unlock the secret language of horses as we embark on a fascinating exploration inspired by Erika''s intriguing question about equine communication. 

In this episode, we ignite the science behind flatulence — from gut bacteria brewing gas to the surprising role of cow diets in fighting climate change. Along the way, we’ll sniff out ancient remedies, modern fart apps, and why your toots are more than just comic relief.