How (And Why) Do Chameleons Change Color?

The concept of eating three square meals a day only goes back about 150 years. Learn how technology, marketing, and other factors have shifted our meals and mealtimes in today's episode of BrainStuff, based on this article: https://recipes.howstuffworks.com/biological-reason-to-e ...  Show more

This technology is going on a hundred years old, but for reliable voice communication across relatively short distances, walkie-talkies are still relevant -- and sometimes preferable to cell phones. Learn how they work in today's episode of BrainStuff, based on this article: http ...  Show more

Join Molly and co-host Arjun on a reptilian romp, where they learn all about chameleons’ color-changing abilities, powerful eyes, and super sticky saliva. Along the way, they’ll be joined by a pair of chatty chameleon cabaret performers — Kiki and Paul — and chameleon expert Chri ...  Show more

In today's short stuff, we bust a few myths about cute little chameleons.

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Gemstones come in all sorts of colors, but how do they get them? Are different stones super different at the molecular level? How do these different colors happen naturally? And how can those colors be replicated in lab-made gemstones? Let's ...