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What’s the difference between seals and sea lions? Do seals bark? Are they gray? Do harbor seals live in snowy regions? Why do sea lions eat fish? Why do sea lions fight each other? Seals and sea lions are pinnipeds, fin-footed marine mammals, and we’re learning all about them today with a visit to the Marine Mammal Center in Sausalito, California, where marine biologist Adam Ratner answers all your pinniped questions!

What are atoms made of? Why is everything made of atoms? Why are atoms so small? How many atoms are there in the world? How did scientists find atoms if we can’t see them? How do atoms get their color? We learn about atoms with Dr. Ben Still, author of “Particle Physics Brick by Brick� and “The Secret Life of the Periodic Table.� His new book, “How the Universe Works,� will be released in September.

How are records made? How does a record player make sound? Why are we still listening to and buying records when there are so many digital ways to listen to music?! But Why visits Gold Rush Vinyl in Austin, Texas to learn how little plastic beads become brightly colored records that can play back your favorite music or sounds.

Do you love tacos? Then you’re not alone! Tacos originated in Mexico but they’re popular worldwide and they are ever evolving. Kids have a lot of questions about this favorite food so we visited Nixta Taqueria in Austin, Texas to learn more! Who made the first tacos? And where? What’s the deal with crispy shells vs. soft tortillas? Why do tacos have sauce? Why does corn come in so many different colors? And are there rules about what makes a taco…a taco?

No matter how old you are, you’re part of the economy, but it can be tricky to understand what the economy actually is. Plus, what are taxes? What’s inflation? What are tariffs and why have they been in the news so much in 2025? In this episode, we break down economic terms and concepts with business reporter Stacey Vanek Smith.