People love the rainbow of ROYGBIV colors: red, orange, yellow, green, blue, indigo and violet. Human eyes perceive visible light as this array of colors. You may notice that some colors you can ...

This question was submitted by Ms. Greear's fifth-grade class at Benton Elementary School. A: Sunlight is a portion of the electromagnetic spectrum given off by the sun and includes wavelengths of ...

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 ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d like ...