HEATKEYS

BrainHQ from Posit Science features online exercises proven to sharpen cognitive skills in 60+ science studies. Think faster, focus better, and remember more with BrainHQ. It’s free to start!

Improve your body and expand your mind. Physical fitness, personality test, educational software, and intellectual challenges.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Brain teasers, cool optical illusions, riddles and other cool stuff!

Riddles and brain teasers with answers to boost your brain.

Brain teasers, puzzles, online games, optical illusions and jigsaws.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measure...