My graduate studies included learning about constraint-based optimization algorithms (such as linear programming) and ...

Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...

Four unconventional WD-40 tricks are tested to solve everyday problems with creativity, chaos, and a slippery touch. Trump wins major court ruling on National Guard Santa with CCW gets pulled over, ...

Getting good sleep is critical. A 2018 study found that people who sleep for five to six hours are 19 percent less productive than people who regularly sleep for seven to eight hours per night. People ...

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 ...