All these different regions were producing symbols, and with the advent of the printing press, there was an explosion of proposals. So how did it happen that a single symbol could become standardized?

Researchers have trained rhesus macaque monkeys to recognize two sets of symbols, with 26 symbols in each set. And the monkeys demonstrated an ability to add them together!

Estimation, Eastaway says, is the key to getting a grip on math. You already do it all the time, but you don’t learn it in school as a distinct mathematical skill because math is supposed to be ...

All equals are not created equal—mathematicians sometimes play fast and loose. In programming, equal signs mean different things, and variables have different types. Turning intuitive math ...