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 ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

A study links graying hair to stem cells getting stuck, unable to color new hair growth. Stem cells travel back and forth within compartments, but when they get stuck in one compartment, they cannot ...