WASHINGTON - Unaware the FBI has her under surveillance, Russian spy Anna Chapman buys leggings and tries on hats at a Macy's department store. A few months later, cameras watch ...

Cell biology articles from across Nature Portfolio Atom RSS Feed Cell biology is the discipline of biological sciences that studies the structure, physiology, growth, reproduction and death of cells.

Stem-cell research articles from across Nature Portfolio Stem-cell research is the area of research that studies the properties of stem cells and their potential use in medicine. As stem cells are ...