Spot the Difference puzzle challenges are one of the most popular puzzle games on the web. It is an excellent way to test ...

Test your observation skills with a classic spot-the-difference game ... spot a difference, your brain gets a small dose of satisfaction that keeps you motivated to find more.

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 ...

And the scientists played a giant game of spot-the-difference to find the regions of their DNA that influenced left-handedness. The study, published in the journal Brain, found four hotspots.

In addition to these lifestyle changes, many people are turning to brain-training games, which claim to optimize your brain ... the better their memory was at the end of the 14 weeks. One difference ...