If someone calls you a zero, you know it’s a diss without even having to think about it. You know right away that it means they think you’re nothing, smaller than any number. But humans aren’t the ...

Researchers at the University of Tübingen in Germany have new evidence suggesting crows can contemplate the number zero. This ability means the birds join an “elite” group of creatures that can ...

The concept of zero may seem easy to you, but many human societies struggled with the idea. However, some of the world's smartest animals understand zero, and now that group includes the honey bee.