this screensaver shows real 3d models of biological molecules in dynamics. your screen will look like screens of computers in science fiction films! you may choose one molecule from six available, rotation axis and speed. six molecules are available in the current version: four prototypes of dna (deoxyribonucleic acid - storage of genetics information) and two proteins - hemoglobine i monomeric (oxygen transport protein) and cytochrome c 550.