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 [email protected]. Can rainbows form in a circle? – Henry D., age 7 ...

Google expands 'Circle to Search' to its iOS apps, enhancing visual search for iPhone users. Google is expanding ‘Circle to ...

You can now use a feature that's very similar to Android's "circle-to-search" on iPhone. While it's not exactly called that, ...