Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. We often don’t ...

Study methods are usually all about what you can do in your own time to maximize what you learn, but bringing someone else in to your process can be helpful, too. That’s what Richard Feynman, a ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and ...