A new kind of microscope is giving scientists a way to watch life inside cells with a clarity that feels almost unfair.

Using a tiny, spherical glass lens sandwiched between two brass plates, the 17th-century Dutch microscopist Antonie van Leeuwenhoek was the first to officially describe red blood cells and sperm cells ...

Microscope picture of human bone cells (IMAGE) Max Planck Institute of Molecular Cell Biology and Genetics (MPI-CBG) Caption A microscope picture of human bone cells (U2OS) showing the localization of ...

Stem cells are precursors of a variety of different cells: They can turn into anything from blood to bone to muscle. Human blood stem cells, known as hematopoietic stem cells, are the forerunners of ...