Add Yahoo as a preferred source to see more of our stories on Google. 7x7=49 / 7x7 meme explained. Every so often a math equation becomes a meme, but things are different this time, as women find ...

Logic tests are often designed to twist our brains into seeing new ways of solving a problem, and this viral math equation circulating online is no exception. It has asked participants to "think ...

Thomas Mulligan breaks down the viral mathematical puzzle that sparked a massive debate and left the online community scratching their heads.

Mathematics has changed the course of human history countless times. It's easy to forget how much of what we see every day can be described by a series of symbols and relationships. A video titled ...