Add Yahoo as a preferred source to see more of our stories on Google. When it comes to keeping kids entertained indoors, it’s not all rainbows and unicorns—but that doesn’t mean you have to live and ...

Jars for your rainbow experiment. The walking rainbow experiment starts with six jars — three filled with primary-colored water and three empty. Water walks up the paper towel and down into the empty ...

TULSA, Okla. — Rainbows occur in nature as sunlight is refracted off raindrops, which creates an arc in the sky. There are other ways to experience and create a rainbow, which we did at Discovery Lab ...