My glutes are still on fire.

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 ...

Ever wondered about that massive machine with a sliding barbell at the gym? Allow us to introduce you to the Smith machine. Despite being a staple in most gyms, this behemoth can be ...

Tossing and turning all night? It might be worse than you think. A bad night’s sleep can ruin your next day — and studies show consistently getting a bad night’s sleep can worsen chronic health ...

How to Use a Fax Machine Or Send a Doc Without One Your email has been sent Using a fax machine is easy, but not always convenient. Learn how to use a fax machine and various online options that may ...

A first-of-its kind cold-brew machine that can make fridge-chilled nitro or “cold espresso” in a minute flat. Beautiful froth and crema. Easy use and cleaning. Succeeds significantly better than ...