The world is full of color, but how do our eyes see it? In this episode we’ll explain how color vision works, complete with a journey to a jazz club in the back of your eye. We’ll also look at the cultural meanings of the color red, we’ll find out about a new type of blue, and we’ll find out why stoplights use green to mean go. Our Moment of Um tackles the q ... Show More
Yesterday
Why do we need pinky toes?
Pinky toes may seem small, but they’re kind of a big deal. Join Molly and co-host Luna Mae as they learn about why we have these tiny toes and what would happen if we didn’t have them. Plus, we talk about animals with two, three, or six toes! Plus, a Mystery Sound that’ll get you ... Show More
32m 31s
Sep 8
Why does music make us dance?
When you hear a good beat, it can be hard not to tap your toe or bob your head. Why is this? It turns out, we may be hardwired to start dancing when we hear certain rhythms. Join Molly and co-host Adriel as they explore how the brain turns sounds into dance moves. Plus, we’ll tal ... Show More
36m 52s
Sep 1
Black holes, wormholes and donut holes!
Black holes happen when you have a super huge, mega-giant amount of stuff --- crammed into a super-tiny, infinitely-small amount of space. AND THEY ARE SUPER COOL! In this episode, we learn all about what black holes are and how we found out they were real. We talk to a black hol ... Show More
39m 43s
Oct 2023
How many colors can we see?
It’s a colorful world out there! When light from the sun hits surfaces on Earth, those surfaces reflect different wavelengths of light. Our eyes collect those waves and send them to our brains, which interpret the waves as colors! It’s an incredible process, and it happens in…wel ... Show More
5m 49s
Sep 2024
Curious About Traffic Lights
<p>In episode 269, we get curious about traffic lights for Parker and Alex from Arizona. We learn about the history of traffic lights, why traffic lights are so important, and how we selected green, yellow, and red to be the traffic light colors. Noah also joins us to share fiv ... Show More
13m 37s
Aug 2025
Ep115 "What is color? Part 1: Why hunters wear orange"
Why do birds and bees choose different flowers? Why do mammals' eyes seem to be optimized for moving around at night, and what does that have to do with hairless humans getting angry? What does any of this have to do with road signs, camouflage, mantis shrimp, the sun, the dress ... Show More
37m 36s