Malicious JavaScript code delivered by the AppsFlyer Web SDK hijacked cryptocurrency, potentially in a supply-chain attack.

Sunlight activates hormones essential for mood, sleep and reproductive health — that’s why it’s important to go outside when ...

Quadratic regression is a classical machine learning technique to predict a single numeric value. Quadratic regression is an extension of basic linear regression. Quadratic regression can deal with ...

Readers asked about B.C.’s time change decision, how it affects their health, and how to generally improve their sleeping ...

Explore 5 useful Codex features in ChatGPT 5.4 that help with coding tasks, project understanding, debugging, and managing ...

Has there ever been a year in B2B marketing like 2025? Tried-and-true content strategies no longer delivered the same results, as buyer behaviors changed and AI-powered approaches disrupted everything ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

The iPhone Air takes a cut to battery life, but there's a few tricks you can use to dampen the blow. Michelle is Lifehacker's Associate Tech Editor, and has been reviewing games, laptops, phones, and ...