Have you ever observed a baby in action, figuring out how to crawl or dropping into a squat with perfect form? It’s one of the best ways to understand primal movement, a type of workout based on ...

We can’t imagine our Paleolithic ancestors sinking into a couch, absorbed in a digital screen, because they didn’t have digital screens, and life was definitely different back then. One of the fitness ...

Each afternoon when I make myself a cup of tea, I hang in the kitchen. We have a pull-up bar attached to the frame of our doorway. I fill up my mug with water, place it in the microwave (which yes, I ...

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 ...