Main content

How do chameleons change colour?
Until recently, scientists thought chameleons change colour using pigments in their skin cells. But that's just a small part of the process. Nick Reynolds, a herpetology keeper from Chester Zoo, UK, explains how it works.
(Image: Chameleon, Credit: Getty Images.)
Duration:
This clip is from
More clips from Can we trap light in a box?
-
What is light? Is it a wave or a particle?
Duration: 03:25
More clips from CrowdScience
-
Why is aurora green?
Duration: 02:19
-
In a random universe, is anything predictable?
Duration: 01:58
-
How do birds survive so high up?
Duration: 02:13
-
The nose knows a good beer
Duration: 02:36