"Two, four, six, eight; bog in, don't wait." As children, we learn numbers can either be even or odd. And there are many ways to categorize numbers as even or odd. We may memorize the rule that ...

Think of the number 7. Do you like it? Do you love it? Do you remain unmoved? You may think these are frivolous questions, but when I launched an online survey asking people to submit their favourite ...

Humans are so smart that we can easily learn the difference between even numbers and odd numbers. And until a new study emerged, humans believed we were the only species capable of this feat, known as ...