“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 ...

I heard an intriguing 20-minute program this week about people’s fascination with certain numbers. Turns out it’s more common than you think to have a favorite number. Nerdy people have done enough ...

Optical illusions are fascinating puzzles that are designed to trick our brains into seeing something that isn’t quite what it appears to be. These puzzles reveal how complex and powerful our minds ...