GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY
Light micrograph of oscillatoria sp. (L. oscillator, something that swings) cyanobacterium filaments, squeezed under the cover glass. One single diatom genus navicula captured between the filaments. Microscopic contrast method : Differential interference contrast. Magnification 360x when printed at 10 centimetres wide.
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