Weird But True: Honeybees Can Learn the Difference Between Even and Odd Numbers. They’re the first non-humans to exhibit this ability, indicating that you don’t need a brain cortex to do it.

We gave the network signals between 0 and 40 pulses, which it classified as either odd or even. Despite its simplicity, the neural network correctly categorised the pulse numbers as odd or even ...

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.

The miniature brains of honeybees were able to understand the concepts of odd and even, despite only having 960,000 neurons (compared to 86 billion in humans).

Having a method to model numbers that clearly shows the difference between odds and evens is crucial. Even numbers can be made into two-row arrays, but odd numbers cannot - there always being one ...

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.

And there are many ways to categorise numbers as even or odd. We may memorise the rule that numbers ending in 1, 3, 5, 7, or 9 are odd while numbers ending in 0, 2, 4, 6, or 8 are even.