The U.S. one dollar bill is one of the most familiar objects in American life, yet its design is packed with symbols that ...

This inscription, written in Old Khmer, reads “The Caka era reached year 605 on the fifth day of the waning moon.” The dot (at right) is now recognized as the oldest known version of our zero. Amir ...

Ancient pottery reveals early farmers were using math thousands of years before numbers, embedding geometry and patterns into ...