Even numbers can always be split equally between two and always end in a 0, 2 ,4, 6 or 8. But if we take this bunch of odd bananas, our furry friend has one less and is going ape! That's because ...

Australian researchers find honeybees can distinguish between even, odd numbers Published: May. 02, 2022, 9:10 a.m. It's not just us humans any more that can do this.

Each card had up to 10 even or odd numbers of shapes on them—the shapes being those of a circle, diamond, square or triangle—not unlike your average playing cards.