Brain teasers are not only a source of fun and entertainment but also a great way to improve cognitive skills and keep your ...

our minds often don’t get a break. Hence, brain teasers can be a fun and effective way to engage your mind, improve focus, ...

Think you have 20/20 vision? Take this optical illusion IQ test and see if you can spot the hidden diamond in just 3 seconds!

Test your brain power with this addictive new game from the New York Times—and find out the best strategies for... It might not seem like there's enough information to solve these logic puzzles ...