There are two things I know to be true. One, I love a challenge. (Perhaps you remember my daily plank practice?) And two, I hate failing. When the opportunity to partake in a flexibility challenge ...

Why splits are tough: Tight hips, hamstrings, and inner thighs can limit your range of motion, making splits challenging even ...

I'm always working on a side quest, from getting certified in an obscure professional trade (airbrush tanning) to developing a new skill (just because I live in Manhattan doesn't mean I can't learn to ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...