Why the Sky is Blue?

Canning foods preserves them, but the texture and nutritive value can suffer -- and what about the potential dangers of BPA and botulism? Learn what's true and what's myth when it comes to canned food in this classic episode of BrainStuff, based on this article: https://recipes.h ...  Show more

These marine invertebrates can solve puzzles, use tools, and camouflage themselves by changing their very skin -- yet they live only three to five years, and die after mating. Learn more about octopuses in today's episode of BrainStuff, based on these articles: https://animals.ho ...  Show more

Up in the sky and down in the ocean, blue is the endcap of our visuall existence.One that may even influence us subconsciously. Find out why this color is the ultimate magician, appearing mostly as an illusion, in this episode of the Stuff to Blow Your Mind podcast.

#034 Rebroadcast

This week, Melissa and Jam explore the oldest question in the book. But we're not going to answer it. Just kidding. Why the HECK is the sky blue? And also why are there times that it isn't? Sunrise? Sunset? Nightime? Sky, what are your ...

Once in a blue moon the Outside/In team opens up the mailbag and answers your questions about the natural world. This time, they all share a preoccupation with a particular hue: blue. Come along as we learn about the differences between European and Aztec conceptions of the color ...  Show more

Our big, beautiful sky stretches all the way from the ground beneath our feet to about sixty miles above the Earth. It’s made up of countless air molecules, pinging around like tiny, invisible pinballs. And even though we can’t feel the weight of each individual air molecule, all ...  Show more