2. Lumosity Brain Trainer
Over 20 million users have trained their brain using Brain Trainer by Lumosity.com! The best of online brain training is coming to the iPhone and iPod touch! For years, Lumosity has worked closely with the world’s leading neuroscientists from top universities including Stanford, UCSF and Berkeley to create the best cognitive enhancement program. It has over 20 million members.
iBooks is an amazing way to download and read books. iBooks includes the iBookstore, where you can download the latest bestselling books or your favorite classics – day or night. Browse your library on a beautiful bookshelf, tap a book to open it, flip through pages with a swipe or a tap, and bookmark or add notes to your favorite passages.
4. Duolingo – Learn Spanish, French, German, Portuguese, and Italian for free
With Duolingo, you learn a language completely free, without ads or hidden charges. You have fun while you learn, leveling up and competing with friends. You have the opportunity to translate real-world texts in the language you are learning, and in doing so, help us translate the Web into other languages.
6. World History Maps: The World
Explore the world through interactive maps illustrating geopolitical and geographic shifts over time. Users peruse the various cartographies and read up on the historical (or, as the case may be, scientific) significance of each major change through text and ”in the future” other media
9. Khan Academy
At the forefront of open source education, Khan Academy’s goal is to provide free world-class education to anyone anywhere. They do this in the form of video lessons (more than 3000 of them to date). Topics include math (K-12), science, finance and economics, and humanities (history, civics and art history) and more.