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. If you’re deep into ...

While building a simpler model for particle interactions, physicists found a new representation involving pi—not a new value for pi, and not a replacement for the one you learned in school.

Have an old Apple display that still works? Even with the latest Thunderbolt 5-equipped M4 Pro Macs, you can still plug it in—with the right connectors—and put it to use. You might find the resolution ...

The top smart displays we've tested can serve as an advanced alarm clock, a helpful kitchen companion, or a convenient desk-side dashboard. I’m PCMag’s home theater and AR/VR expert, and your go-to ...