Honeybees are able to understand the mathematical concept of zero, according to a new study published in the journal Science. This places them in an elite group of animals that are known to be able to ...

About 2,500 years ago, Babylonian traders in Mesopotamia impressed two slanted wedges into clay tablets. The shapes represented a placeholder digit, squeezed between others, to distinguish numbers ...

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.

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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 ...