Melissa Quinn is a senior reporter for CBSNews.com, where she covers U.S. politics, with a focus on the Supreme Court and federal courts. Overseen by the conservative Heritage Foundation, the ...

Abstract: In this letter, a novel broadband passive intermodulation (PIM) model was developed to evaluate the spectral regrowth around PIM signals. This proposed model adopts the frequency division ...

A centuries-old Chinese medicinal root is getting new scientific attention as a potential game-changer for common hair loss. Polygonum multiflorum, long believed to restore dark, healthy hair, appears ...