Add Yahoo as a preferred source to see more of our stories on Google. A spectrum is projected onto a human eye Getty Images/LWA White light can be blinding, cold, unforgiving. Our physical reality ...

Sunlight holds hidden colors. Raindrops act like prisms, bending light. This bending separates colors, creating a rainbow.

Source: Wikimedia Commons / Frederic Edwin Church / 1866. Fine Arts Museums of San Francisco How many colors are in the rainbow? Seven said Sir Isaac Newton. Of course, Newton knew that a spectrum is ...

White light can be blinding, cold, unforgiving. Our physical reality often finds it too much as well, splitting it apart any chance it gets. Plants are green because such wavelengths of light help it ...