What melodies played as the ancient Greeks pondered philosophy and composed epic dramas? Explore the musical roots of Greek culture and mythology. Musician and researcher Nikos Xanthoulis discusses recent discoveries about this ancient art through the evidence of archeology and rediscovered papyri.

Don't be a nit-wit about knitting. This beginner's course will teach you how to purl, cast on, and cast off. Plus, you'll learn to read a simple pattern and decipher yarn labels and abbreviations. Bonus: Get started on your very own scarf and keep your paws busy at home. Wed 6-8 p.m.; price includes all materials. 

You can fix your own flat tire—you just don't know it yet. Pete Roper and the Denver Bicycle Cafe gives the low-down on basic bicycle care, including proper maintenance of the tires, brakes, and chain, as well as tips for repairing and cleaning your ride. Also, learn how to prep your bike for the snowy season and how to safely pedal in all types of weather. Sat 10 a.m.

Is our increasing dependence on the Internet actually changing our brains? Nicholas Carr, bestselling author of the Pulitzer Prize-nominated book, The Shallows: What the Internet is Doing to Out Brains, will speak on how his book examines the intricate relationship between digital media and the ways people think, read, and interact. Mon 4-5 p.m.

Want to start making your own holiday cards? Expert graphic designer, Rick Griffin, will provide a historical overview of the art of typography and the basics of type arrangement. Then, you'll create original works with hands-on opportunities to utilize the studio's assortment of moveable type and early 20th century printing presses. Fri 6-8 p.m.; Sat-Sun 9 a.m.-4 p.m.

Yes, recycling is wonderful, but if you want to be extra eco-friendly, there's a must-know term: Composting. The organic process acts as a natural Miracle-Gro, cuts water consumption, enhances soil quality, and reduces methane gas and garbage. Get educated about the multitude of benefits composting has to offer at this hands-on seminar hosted by the dirt masters at Denver Urban Gardens.

There's always two sides to every story. Rethink your conception of local heritage with an Arapaho woman's account of western history from a Native American point of view. Longtime Boulder resident Ava Hamilton presents an informal and thought-provoking seminar that covers a wide range of historical experiences you didn't learn in school.

Find your inner harmony with esteemed Brazilian spiritual guru Sri Prem Baba. Increase self-awareness and transform destructive patterns through focused meditation, chanting, and energy channeling exercises, all of which you'll learn in this workshop. Sat 9:30 a.m.-6 p.m.

Want to see a brighter future for Colorado youngsters? Tune in as a panel of bipartisan leaders and non-partisan organizations hash out the ways we can further our state's educational system. Hosted by Denny Hill, director of Strategic Resources West, Inc., this three-part series aims to increase educational awareness, support, and funding for our local schools. Thu 3 p.m.