Brain teasers are short puzzles designed in such a way that they encourage logical thinking. These puzzles surely appear very simple at first but they have many twists. There are many types of brain ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Researchers at Duke University monitored participants’ brain activity while they completed simple math ...

A Visual brain teaser is a type of puzzle or problem that requires clever and unconventional skill and top-level observant skill to solve these types of brain teaser IQ Test. It could be a riddle, a ...

Think you’ve got a sharp eye and a quick mind? Well, if you like brain teasers, riddles, and visual challenges, you’re in the ...

The visuo-spatial puzzle at right is trickier than it looks, designer Scott Kim warns: "The answers are right in front of you, but they're easy to overlook." Test your skills, following along for ...