Today's question comes from Tabitha, who's 15 years old. Tabitha wants to know, "how does the stock market work? That's such an important question, Tabitha. The stock market can sound complicated at first, but it's all about people, businesses and how they work together to create value. Let's dive into the history of the stock market, how it helps people build wealth and why concepts like "diversification and "ballots are key to making it work for you. 

What's Your Wonder?
Is there something you’ve been wondering about that you think would make a great episode of I Wonder? We’d love to hear from you! Submit your question through our website, and you might just hear it featured on an upcoming episode!

www.iwonderpodcast.com

"Ouch!" Imagine banging your head against a wall 20 times a second! Discover how woodpeckers do it without the headache. Join us for a mind-blowing episode!

What's Your Wonder?
Is there something you’ve been wondering about that you think would make a great episode of I Wonder? We’d love to hear from you! Submit your question through our website, and you might just hear it featured on an upcoming episode!

www.iwonderpodcast.com

What secrets do those mysterious white trails left by airplanes hold? 

Join us as we unravel the science behind contrails, those striking icy patterns in the sky that are more than just visual spectacles. 

Discover how the interaction between aircraft exhaust and the frigid air at cruising altitudes creates these fascinating formations, akin to seeing your breath on a cold day. 

What's Your Wonder?
Is there something you’ve been wondering about that you think would make a great episode of I Wonder? We’d love to hear from you! Submit your question through our website, and you might just hear it featured on an upcoming episode!

www.iwonderpodcast.com

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. 

What's Your Wonder?
Is there something you’ve been wondering about that you think would make a great episode of I Wonder? We’d love to hear from you! Submit your question through our website, and you might just hear it featured on an upcoming episode!

www.iwonderpodcast.com

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

Travel back to ancient times and see how cacao became a treasure in Europe, thanks to sugar and spices. Learn about the first chocolate bar and discover how cacao transforms into the chocolate we eat today. Packed with history, fun facts, and delicious secrets, this episode is perfect for curious minds—and chocoholics! 

Tune in as we unwrap the story of chocolate!

What's Your Wonder?
Is there something you’ve been wondering about that you think would make a great episode of I Wonder? We’d love to hear from you! Submit your question through our website, and you might just hear it featured on an upcoming episode!

www.iwonderpodcast.com

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.

What's Your Wonder?
Is there something you’ve been wondering about that you think would make a great episode of I Wonder? We’d love to hear from you! Submit your question through our website, and you might just hear it featured on an upcoming episode!

www.iwonderpodcast.com

Today’s episode is a followup episode on bridges, which is proving to be one of your most favourite topics. This episode 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!

Be sure to also check out "How Do They Get Lights On Top of Really Tall Bridges?" Since, it was posted in October 2024, it's consistently been our most listened to episode. 

What's Your Wonder?
Is there something you’ve been wondering about that you think would make a great episode of I Wonder? We’d love to hear from you! Submit your question through our website, and you might just hear it featured on an upcoming episode!

www.iwonderpodcast.com

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.

What's Your Wonder?
Is there something you’ve been wondering about that you think would make a great episode of I Wonder? We’d love to hear from you! Submit your question through our website, and you might just hear it featured on an upcoming episode!

www.iwonderpodcast.com

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.

What's Your Wonder?
Is there something you’ve been wondering about that you think would make a great episode of I Wonder? We’d love to hear from you! Submit your question through our website, and you might just hear it featured on an upcoming episode!

www.iwonderpodcast.com

 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.

What's Your Wonder?
Is there something you’ve been wondering about that you think would make a great episode of I Wonder? We’d love to hear from you! Submit your question through our website, and you might just hear it featured on an upcoming episode!

www.iwonderpodcast.com