A quick optical illusion puzzle that tests attention to detail and visual focus by asking readers to find a hidden odd number.

Indeed, while Lord Sugar’s gags are often as funny as queueing at the Post Office, his one-liners never fail to make the ...

This video presents a clever puzzle where only three moves are needed to create three perfect squares. I walk through the ...

I’ve found a new way to stay off my phone, and got a cute bookend out of it.