Specifically created for the iPhone and iPod Touch but playable in any modern web browser, Trivia Why's Daily Quiz keeps you sharp with a few minutes of exercise for the left side of your brain and a touch of wit for the right. Know all the answers? Congratulations, you're a trivia genius! Not so sharp today? Great, you've learned something!

Test yourself in these six general categories:

• Entertainment & Food: movies, television, music, and food.
• History & Government: history, government, and politics.
• Math & Science: math, science, and technology.
• Geography & Nature: geography, animals, and nature.
• Literature & Arts: literature, art, drama, and religion.
• Sports & Games: sports, games, and toys.

Have fun, and remember to return for a new quiz every day*!

Note: All trivia questions are excerpted and updated from the Trivia Why's book series.

Comments and questions are always welcome at whysguy@triviawhys.com.

Please tap on the "Tell Your Friends" link to share Trivia Why's Daily Quiz with your friends and family (note: e-mail on the iPod touch requires version 1.1.3 or higher of the OS and purchase through iTunes).

* The complete 4,032-question Trivia Why's cycle was restarted on August 13, 2009.