Why do leaves change colors in the fall?

Child labor is no laughing matter. Even though we've taken care of it in the USA (mostly), it's still an issue around the globe. Listen to this classic episode and learn!See omnystudio.com/listener for privacy information. 

Before Facebook and MySpace, before even Friendster, there was SixDegrees. Dive in today to learn about the first social media site, that was a few years too early.See omnystudio.com/listener for privacy information. 

8 tracks were during vinyl, but preceded cassettes. Why? So people could listen to their music on the go. Check out this antiquated medium today.See omnystudio.com/listener for privacy information. 

The Autumn of our lives - both literally and figuratively - is a time of change. We go from the vibrancy of summer, to the golds and reds and brisk breezes of the fall, which leads us into the dark of winter. If you aren't embracing all that is Autumn, you'll want to tune into th ... Show More

Why do leaves change color in the fall? Why are leaves green? Why don't leaves turn all of the colors of the rainbow? In this episode of But Why, we're talking about fall leaves, and how trees go from green to fiery red, orange and yellow. 

Botanist and founder of #BlackBotanistsWeek Tanisha Williams explains why some leaves change color during fall and what shorter days and colder temperatures have to do with it. Plus, a bit of listener mail from you! Which you can always send by emailing shortwave@npr.org. Learn m ... Show More

It's obvious that we all have color preferences, but recent research may have discovered why. Learn how the experiments worked in this episode of BrainStuff, based on this article: https://science.howstuffworks.com/favorite-colors.htm Learn more about your ad-choices at https://w ... Show More

The winter season offers us so much beauty - even when it’s hard to feel it. Today’s practice will inspire you to bring your sacred moments outside. Only then will you clearly see why this season is so important, both for the planet and for our own souls. Rachel will give you som ... Show More

Warm winters and early springs can lead to trees and other flowering plants blooming earlier than expected. Learn why a subsequent frost is the real danger, and how to protect against it, in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcast ... Show More

Bruises can turn a rainbow of colors before they heal -- but why? Learn the science behind color-changing contusions in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information. 

Why do colors exist in the world? That’s what Phoebe wants to know. The answer might change how you think about the colors that you see! Neuroscientist and artist Bevil Conway bends our minds and our eyes, to show us how colors are the ultimate optical illusion. We’ll discover wh ... Show More