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

To Integrate AI into existing workflows successfully requires experimentation and adaptation. The tools don't replace how you work, but they can change your daily behaviors. Figuring out which parts ...

Imagine Jo: Everyone in Jo's life recognizes her as an outstanding problem solver. She's the type of person who seems capable of almost anything. Jo excels at intuitive problem-solving. Over her life, ...

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, ...

Excel still trips over dates, ghost links, and undo history. These six fixes would save hours for everyday users.

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

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 ...