As updated Covid booster shots roll out across the nation, many experts are raising an eyebrow — and perhaps squinting at the label. That's because the new doses come in capped vials that look ...

Cellular signal boosters use big antennas to improve the coverage in your home or other property. These are the top signal boosters for apartments and houses. I’m one of PCMag’s mobile writers. That ...

Skip to the facts on your irregular heartbeat. Find out what happens to your heart and if it’s serious. 67 Your heart is wired to beat up to 100,000 times a day.