If you've ever bitten into a Wint-O-Green Life Saver candy in the dark, you've probably noticed an accompanying spark of light. Marshall Brain explains the chemistry behind the phenomenon known as triboluminescence in this episode.
Yesterday
Why Do We Yawn, and Why Is It Catching?
Science isn't entirely sure why humans and other animals yawn, let alone why yawning can be contagious -- but we've got some good hypotheses. Learn about them, from cooling the brain to spreading alertness, in today's episode of BrainStuff, based on these articles: https://scienc ... Show More
12m 3s
Aug 10
How Do Rip Currents Work?
Rip currents are dangerous flows of water that can drag you away from the shore and out into the deep. Learn how they form, what to watch for, and how to escape one by swimming sideways or riding it out in this episode of BrainStuff, based on this article: https://science.howstuf ... Show More
9m 28s
Oct 2016
Will-o'-the-Wisp: A Light in the Swamp
<p>There was a time when strange lights appeared in the marshlands. Commoners might have known the eerie luminescence as “Will-o’-the-Wisp” or “Hinky Punk,” while the learned pondered the mysteries of “Ignis Fatuus.” Superstitions aside, what natural phenomenon was at work here, ... Show More
1h 20m
Feb 2023
Glow for it! How do creatures make light?
Lots of creatures are able to glow, like fish, mushrooms, fireflies and even some bacteria! This special ability is called bioluminescence and it looks like magic, but it’s actually chemistry. In this episode, we’ll travel to the bottom of the ocean in the ExPLORERR to meet some ... Show More
35m 58s
<p><strong>#147</strong></p>
<p>Maybe you've experienced them yourself, maybe you've just heard of them, but trick candles are real, they are chemistry, they are kinda dangerous, and they are mean. Let's get into it.<a href="http://goode.coffee/"><br />
</a></p>
<p><a href="https ... Show More
