From bike mechanics to baking, the video-sharing site offers a goldmine of knowledge Holding an Allen key in a grease-stained hand, João Cruz looks every bit the professional bike mechanic. Wind back ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. For decades, people turned to beauty books and makeup counters to learn cosmetic skills. Today, ...

Jessica Chou has only ever owned used cars, but after encountering one too many breakdowns, she became inspired to not only learn how to fix her car troubles herself — but to teach others too through ...

This is the time you're really gonna knit. I'm certain of it. Credit: Mashable Composite; Getty/Laimdota Grivane/EyeEm/Anna Navarro/ When we spend so much of our time online, we’re bound to learn ...

When we go into the hospital with a medical emergency, we put our trust in doctors and professionals and assume that they know exactly what they’re doing. Or do they? When one woman went to the ER, ...

Any hobbyist can produce videos and upload them on YouTube to share with the world. But as a small-business owner, you also can produce tutorials to make money, which can be an effective source of ...

Editor’s Note: This is part of an occasional series, May I Recommend … in which CNN staffers share their passion or appreciation for an object, place, hobby, artform or culture. Past essays have sung ...