Why Is the Sky 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

Iron processing is a benchmark of civilization for good reason -- this metal makes a lot of technology possible. Learn about the history and science of refining iron and steel in today's episode of BrainStuff, based on this article: https://science.howstuffworks.com/iron.htmSee o ... Show More

<p><strong>#034 Rebroadcast</strong></p> <p>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 ... Show More

<p>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.</p><p> </p ... Show More

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

Daniel and Kelly talk about why we listen to the skies, the amazing WOW signal and a recent theory for what it means.See omnystudio.com/listener for privacy information. 

CrowdScience listener Gregory wants to know what affects the way we see the colours of the world. He was looking at a blue summer sky with a friend and they got to wondering whether they both see the same colour blue. So what does influence our vision of the colours that surround ... Show More

Do you see blue the same way I do on the inside? Why do some people think the northern lights make noise? Why do you think the low note on the piano is larger, and the high note brighter? Join Eagleman on a wild ride into the world of synesthesia, a topic his neuroscience laborat ... Show More

<p>Is it possible to make something invisible? Neil deGrasse Tyson and comedian Chuck Nice explore transparency, how we measure time on Earth, and how airplanes have changed. </p><p>NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free.</p><p>Thanks to our Pat ... Show More

<p>Are we rethinking the Big Bang? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice explore features of the James Webb Space Telescope, magnetism and how the aurora borealis works, and if the Big Bang is being debunked. </p><p>NOTE: StarTalk+ Patrons can watch or ... Show More