In the hushed light of a museum gallery, Hallie Meredith discovered something intriguing about ancient Roman glasswork hiding ...

Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was translated into English this year.

Take a look at your keyboard for a second. Notice how the letters jump around like a secret code — Q, W, E, R, T, Y. It is ...