What are the atomic motions at enzymatic catalytic sites on the timescale of chemical change? Combined experimental and computational chemistry approaches take advantage of transition-state analogs to ...

A new technique offers a sharp picture of an elusive and ephemeral stage of a chemical’s life. By precisely measuring the energy of a molecule at the instant it morphs from one form to another, ...

The clinical definition of perimenopause focuses on functional changes in the reproductive system; however, the symptoms of the perimenopause are largely neurological in nature Most women transition ...