While the brain isn't technically a muscle, science shows it still needs regular workouts to stay sharp. One great way to keep it active? Challenging it with riddles that push you to think ...

Here are twelve tricksy Christmas riddles with a scientific twist. Can you solve them all? When you’re ready, scroll down for the answers. (1) What an honour! You have been invited to dine with a host ...

These riddles aren’t about how smart you are. They’re about how well you notice things. Each one uses misdirection, subtle wordplay, or hidden meaning to throw you off. If you race through them, ...

I watch Rufus, a friend’s dog, chew enthusiastically on a rubber bone. I know the dog is alive, and his toy is not. I know that intuitively. But can I prove it scientifically? Can science parse the ...