Micro Wave: Why Do Leaves Change Color D...

Cloud 9 is a failed galaxy. It’s a clump of dark matter, called a dark matter halo, that never formed stars. But this failure could be the key to a mystery almost as old as the universe itself: dark matter. Scientists don’t know what dark matter is, but Cloud 9 could offer new cl ... Show More

Medical drama The Pitt is winning Golden Globes… and health care workers’ hearts. Medical experts say the show, which chronicles a fictional Pittsburgh hospital emergency department, is perhaps the most medically accurate show that’s ever been created. But what about The Pitt mak ... Show More

In today's episode, host Emily Kwong leads us on a night hike in Patuxent River State Park in Maryland. Alongside a group of naturalists led by Serenella Linares, we'll meet a variety of species with unique survival quirks and wintertime adaptations. We'll search out lichen that ... Show More

<p>Ah, autumn - arguably the most beautiful time of the year, thanks to the vibrant colors trees put on display as they close up for the winter. Ever wonder why and how trees change color in the fall? Chuck and Josh have it down pat and explain it here.</p><p> </p> Learn more abo ... Show More

<p><strong>#085 Rebroadcast<br /> </strong></p> <p>Well here in Texas, we just suffered through an intense freeze. And many a plant became a casualty of the cold, but why? What's going on at the molecular level that causes freezing temperatures to be bad for many plants? And is t ... Show More

<p><strong>#081</strong></p> <p>The sun. It's nice, it's warm, it helps things grow, it helps us see, it helps us exist in the first place. But it's also a massive burning molten ball of radiation and ultraviolet rays. So how does our mysterious yellow friend fade the poor items ... Show More

<p>Science doesn't have a good explanation for why we sense color, yet it is everywhere and affecting us all the time. But why should minutely different wavelengths of light have such an impact on our moods and motivations?</p><p> </p> Learn more about your ad-choices at <a href= ... Show More

Science doesn't have a good explanation for why we sense color, yet it is everywhere and affecting us all the time. But why should minutely different wavelengths of light have such an impact on our moods and motivations? Explore these questions and more with Josh and Chuck in thi ... Show More

We’re talking about heat in this episode. That might strike you as a bit odd, especially if you live in the northern hemisphere where summer’s long gone by now. But it’s easy to put out of your mind that the Earth is getting hotter in the winter, too. Extreme heat from climate ch ... Show More

<p><strong>#081 Rebroadcast<br /> </strong></p> <p>The sun. It's nice, it's warm, it helps things grow, it helps us see, it helps us exist in the first place. But it's also a massive burning molten ball of radiation and ultraviolet rays. So how does our mysterious yellow friend f ... Show More

On nous dit et on nous répète depuis l’enfance que pour ne pas avoir chaud, il ne faut pas porter du noir. Le ministère de la Santé recommande d’ailleurs sur son site, de porter « des vêtements amples, légers, de couleur claire” en période de canicule. En effet, la couleur d’un ... Show More