- Wikipedia. A vast repository of great and useful articles, Wikipedia is the autodidact's dream. You could surf it for hours, days on end, or you could use one of many tools to make daily learning a breeze. One of the best is the Articles of the Day feature --sign up to get it in your email box. Another great option that I've tried is making Wikipedia's random page your home page.
- Online Courses. Today you can learn from the best colleges and universities, from the comfort of your own home. Just a few of the online offerings: Berkeley, MIT, Carnegie Mellon, Johns Hopkins, Notre Dame.
- Chapter a day. Don't have time for books? Read them the easy way: a chapter a day is emailed to you or added to your RSS reader by DailyLit.com, which has a growing selection of free books.
- Word a day. Improve your vocabulary by leaps and bounds through the FreeDictionary, which has some great features you can subscribe to,including these RSS feeds: Article of the Day, In the News, and This Day in History.
- Take quizzes. One of the most fun ways of learning is through games and quizzes. If you do a quick Google search, you can find quizzes on just about any topic, including math, grammar, the U.S. Constitution ... you name it. Also try flashcards for effective learning.
- Art a day. If you'd like to learn about art, one of the best tools is Your Daily Art. Subscribe to the feed, and every day you'll get a famous piece of art, along with some notes to help your contemplation.
- Podcasts. Not a fan of heavy reading? Get your knowledge through listening. You can listen to a course while driving, while relaxing in the bath, or while your boss thinks you're working. Just kidding about that last one. Here are just a few of the
available podcasts: UCLA podcasts, Berkeley on iTunes, Stanford on iTunes, Purdue University Podcasts, University
- Free ebooks. Of course, there are thousands of great books online, available for free. Read them during your spare time, print them out for bathroom reading ... it doesn't matter how you use them, they're free! Here are some sites to start you out:
Project Gutenberg, Wikibooks, Free Audio Books, Free Academic Textbooks.
- Learn languages. Tons of language courses are available online (BBC languages, FSI Language Courses to name a couple), and you can even learn them through iTunes: Chinese, Arabic, French, German, Italian, Greek and much more.
- Wikiversity. A growing number of courses are being offered through a great resource, Wikiversity. Also try BBC Learning.
Written for Dumb Little Man by Leo Babuata of Zen Habits