Thomas Edison, who helped invent the light bulb, often used daytime naps to help spur his creativity even though he claimed not to sleep more than four hours a night.

A PUZZLING brain teaser will have you scratching your head as you try to match the bulbs to the light switch. Only those with the brain of a super genius will be able to match the lightswitches to ...

Only highly observant readers can find three mistakes in this brain teaser puzzle picture in 11 seconds. Are you one of them?

This brain teaser is a true IQ test! If your IQ is above 120, you might be able to figure out which kite the girl is holding. Can you solve it?

Here is a brain teaser in the form of a video posted on Facebook by @The Gooch which challenges you to figure out how many ...