The invention that first enabled researchers to see clear images of living cells was the phase-contrast microscope, which won its inventor, Frits Zernike, a Nobel Prize in 1932. Prior to Zernike's ...

Phase contrast microscopy showing that Hfx. Volcanii rod-shaped cells can swim while disk-shaped cells cannot. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...