Researchers have developed a new technique to view living mammalian cells. The team used a powerful laser, called a soft X-ray free electron laser, to emit ultrafast pulses of illumination at the ...

The cells were placed in a culture medium within a vacuum-sealed holder. On the left are images captured by a single shot of around 30 femtoseconds, and on the right the same cell captured shortly ...

A microscope used by Antoni van Leeuwenhoek to conduct pioneering research contains a surprisingly ordinary lens, as new research by Rijksmuseum Boerhaave Leiden and TU Delft shows. It is a remarkable ...