A new technique based on machine learning and stem cells may lead to personalized testing for hazardous chemicals and make toxin testing on animals a thing of the past. Dubbed ‘forever chemicals’ ...

Fitness wearables can help you move more, sleep better, and stay healthy. Here's how to pick the right one for you, along with the best fitness trackers we've tested. I’m PCMag’s senior writer ...

In a world where there are more digital surveillance and threats to your privacy and security than ever, a VPN is an essential part of your security toolkit. Here's everything you need to know to ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

While factors such as age, genetics, hormones, and medication may affect your hair, nutrition is key for hair health throughout life. In particular, vitamins B, C, and D, plus iron and zinc, play ...