Hair can be complicated. Anyone who has ever attempted to do their own fancy updo or try out a new style can tell you it's never as easy as it looks. Lucky for us, a little thing called YouTube exists ...

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 ...

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 ...