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 ...

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Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to curiouskidsus@theconversation.com. Can rainbows form in a circle? – Henry D., age 7 ...