When Leonard Hayflick began his cell culture work at the Wistar Institute in the 1950s, the field was facing a nagging problem. Culture flasks were so big, that microscope objective lenses couldn't ...

Researchers at UT Southwestern Medical Center have developed a new “self-driving” microscope that addresses ... Lyda Hill ...

Late 1600s – Dutch scientist Antonie van Leeuwenhoek constructed a microscope with a single spherical lens. It magnified up to ×275. 1800s - the optical quality of lenses increased and the ...