Add Yahoo as a preferred source to see more of our stories on Google. Composite of three mages from new microscope technology show a cell's replication machinery in green, already-replicated DNA is ...

Healing from any injury involves a delicate balance between scarring and inflammation — two processes that can wreak havoc as well as make repairs. When the injury is to the brain, the balance is that ...

Imaging live cells without disrupting their natural behavior or damaging their structures is one key challenge in biomedical optics, and has been tackled in multiple ways. A project at NIST has now ...

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 ...