Photoreceptors: How We See Roy.G.BivWe learned about the 7 flavors of visible light in the electromagnetic spectrum since preschool days: red, orange, yellow, green, blue, indigo, and violet (They...

Cheese! Using Diffraction To Take Pictures of DNA We remember from biology class that DNA is a double helix, but how do we know? DNA is too small to be able to see it. We may be able to see single...

How Do Chameleons Change Color? First off, we have to dispel this myth: for the most part chameleons change color to communicate with each other. They have a color for being cool as a cucumber and...