How color works. Unsurprising to some people, but most of what we learn in primary school about color is wrong. We are taught the rainbow is composed of red, orange, yellow, green, blue and violet ...

In a Harvard study, researchers found 2-D diagrams of heart arteries that used a gradient from black to red were more effective tools for doctors making diagnoses than 3-D models using rainbow colors.

It takes all the colors of the rainbow for us to see it that way. It happens because of something called the Rayleigh effect, or Rayleigh scattering, named after a British scientist who first ...

Hummingbirds' rainbow colors come from pancake-shaped structures in their feathers Date: January 10, 2020 Source: Field Museum Summary: Hummingbirds are some of the most brightly-colored things in ...