Take care of your brain ;)

http://easyscienceforkids.com/all-about-your-amazing-brain/

Quizzes:

 http://brightside.me/article/take-this-great-little-test-to-find-out-which-side-of-your-brain-is-dominant-54505/

http://brightside.me/wonder-quizzes/ten-fun-exercises-to-improve-your-memory-132405/

http://brightside.me/wonder-quizzes/most-people-only-use-around-10-of-their-brains-what-about-you-111405/

http://brightside.me/article/15-brain-teasers-that-will-stimulate-your-mind-85505/ 

Let's  exercise our brain and learn English with jokes and riddles: ;)

http://www.learn-english-jr.com/main.php