Image and Video Gallery
This is a searchable collection of scientific photos, illustrations, and videos. The images and videos in this gallery are licensed under Creative Commons Attribution Non-Commercial ShareAlike 3.0. This license lets you remix, tweak, and build upon this work non-commercially, as long as you credit and license your new creations under identical terms.
Flagellated bacterial cells
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Vibrio fischeri (2 mm in length) is the exclusive symbiotic partner of the Hawaiian bobtail squid, Euprymna scolopes. Margaret J. McFall-Ngai, Carnegie Institution for Science/California Institute of Technology, and Edward G. Ruby, California Institute of Technology. View MediaPetri dish containing C. elegans
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This Petri dish contains microscopic roundworms called Caenorhabditis elegans. Researchers used these particular worms to study how C. H. Robert Horvitz and Dipon Ghosh, Massachusetts Institute of Technology. View MediaProtein folding video
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Proteins are long chains of amino acids. Each protein has a unique amino acid sequence. It is still a mystery how a protein folds into the proper shape based on its sequence. Theoretical and Computational Biophysics Group View MediaProtein crystals
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Structural biologists create crystals of proteins, shown here, as a first step in a process called X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaCrab larva eye
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Colorized scanning electron micrographs progressively zoom in on the eye of a crab larva. In the higher-resolution frames, bacteria are visible on the eye. Tina Weatherby Carvalho, University of Hawaii at Manoa View MediaCRISPR Illustration
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This illustration shows, in simplified terms, how the CRISPR-Cas9 system can be used as a gene-editing tool. National Institute of General Medical Sciences. View MediaInsulin and protein interact in pancreatic beta cells
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A large number of proteins interact with the hormone insulin as it is produced in and secreted from the beta cells of the pancreas. William E. Balch, The Scripps Research Institute View MediaSpace-filling model of a cefotaxime-CCD-1 complex
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CCD-1 is an enzyme produced by the bacterium Clostridioides difficile that helps it resist antibiotics. Keith Hodgson, Stanford University. View MediaX-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor 6
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X-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor. Markus A. Seeliger, Stony Brook University Medical School and David R. Liu, Harvard University View MediaModeling disease spread
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What looks like a Native American dream catcher is really a network of social interactions within a community. Stephen Eubank, University of Virginia Biocomplexity Institute (formerly Virginia Bioinformatics Institute) View MediaHuman embryonic stem cells on feeder cells
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This fluorescent microscope image shows human embryonic stem cells whose nuclei are stained green. Blue staining shows the surrounding supportive feeder cells. Michael Longaker lab, Stanford University School of Medicine, via CIRM View MediaTwo mouse fibroblast cells
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Two mouse fibroblasts, one of the most common types of cells in mammalian connective tissue. They play a key role in wound healing and tissue repair. Dylan T. Burnette, Vanderbilt University School of Medicine. View MediaThermotoga maritima and its metabolic network
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A combination of protein structures determined experimentally and computationally shows us the complete metabolic network of a heat-loving bacterium. View MediaPrecisely Delivering Chemical Cargo to Cells
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Moving protein or other molecules to specific cells to treat or examine them has been a major biological challenge. Nature Nanotechnology View MediaCell-free protein synthesizers
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Both instruments shown were developed by CellFree Sciences of Yokohama, Japan. Center for Eukaryotic Structural Genomics View MediaHoneybees marked with paint
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Researchers doing behavioral experiments with honeybees sometimes use paint or enamel to give individual bees distinguishing marks. Gene Robinson, University of Illinois at Urbana-Champaign. View MediaMouse brain 2
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A mouse brain that was genetically modified so that subpopulations of its neurons glow. Prayag Murawala, MDI Biological Laboratory and Hannover Medical School. View MediaBacterial cells migrating through the tissues of the squid light organ
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Vibrio fischeri cells (~ 2 mm), labeled with green fluorescent protein (GFP), passing through a very narrow bottleneck in the tissues (red) of the Hawaiian bobtail squid, Euprymna scolope Margaret J. McFall-Ngai, Carnegie Institution for Science/California Institute of Technology, and Edward G. Ruby, California Institute of Technology. View MediaDNase
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Crystals of DNase protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaCell-like compartments from frog eggs 4
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Cell-like compartments that spontaneously emerged from scrambled frog eggs, with nuclei (blue) from frog sperm. Endoplasmic reticulum (red) and microtubules (green) are also visible. Xianrui Cheng, Stanford University School of Medicine. View MediaCell proliferation in a quail embryo
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Image showing that the edge zone (top of image) of the quail embryo shows no proliferating cells (cyan), unlike the interior zone (bottom of image). Non-proliferating cell nuclei are labeled green. Andrés Garcia, Georgia Tech View MediaAxolotl showing nervous system
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The head of an axolotl—a type of salamander—that has been genetically modified so that its developing nervous system glows purple and its Schwann cell nuclei appear light blue. Prayag Murawala, MDI Biological Laboratory and Hannover Medical School. View MediaProtein purification facility
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The Center for Eukaryotic Structural Genomics protein purification facility is responsible for purifying all recombinant proteins produced by the center. Center for Eukaryotic Structural Genomics View MediaComputer sketch of bird-and-flower DNA origami
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A computer-generated sketch of a DNA origami folded into a flower-and-bird structure. See also related image 3690. Hao Yan, Arizona State University View MediaMulticolor STORM
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In 2006, scientists developed an optical microscopy technique enabling them to clearly see individual molecules within cells. In 2007, they took the technique, abbreviated STORM, a step further. Xiaowei Zhuang, Harvard University View MediaPig trypsin (2)
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A crystal of porcine trypsin protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaX-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor 4
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X-ray co-crystal structure of Src kinase bound to a DNA-templated macrocycle inhibitor. Markus A. Seeliger, Stony Brook University Medical School and David R. Liu, Harvard University View MediaChromatin in human fibroblast
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The nucleus of a human fibroblast cell with chromatin—a substance made up of DNA and proteins—shown in various colors. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. View MediaJack bean concanavalin A
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Crystals of jack bean concanavalin A protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaSuperconducting magnet
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Superconducting magnet for NMR research, from the February 2003 profile of Dorothee Kern in Findings. Mike Lovett View MediaCulex quinquefasciatus mosquito larvae
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Mosquito larvae with genes edited by CRISPR swimming in water. Valentino Gantz, University of California, San Diego. View MediaMagnetic Janus particle activating a T cell
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A Janus particle being used to activate a T cell, a type of immune cell. Yan Yu, Indiana University, Bloomington. View MediaElectrostatic map of human spermine synthase
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From PDB entry 3c6k, Crystal structure of human spermine synthase in complex with spermidine and 5-methylthioadenosine. Emil Alexov, Clemson University View MediaCell-like compartments from frog eggs
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Cell-like compartments that spontaneously emerged from scrambled frog eggs, with nuclei (blue) from frog sperm. Endoplasmic reticulum (red) and microtubules (green) are also visible. Xianrui Cheng, Stanford University School of Medicine. View MediaSalivary gland in the developing fruit fly
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For fruit flies, the salivary gland is used to secrete materials for making the pupal case, the protective enclosure in which a larva transforms into an adult fly. Richard Fehon, University of Chicago View MediaFinding one bug
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A nanometer-sized biosensor can detect a single deadly bacterium in tainted ground beef. How? Weihong Tan, University of Florida in Gainesville View MediaDividing cell
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As this cell was undergoing cell division, it was imaged with two microscopy techniques: differential interference contrast (DIC) and confocal. The DIC view appears in blue and shows the entire cell. Dylan T. Burnette, Vanderbilt University School of Medicine. View MediaMultinucleated cancer cell
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A cancer cell with three nuclei, shown in turquoise. The abnormal number of nuclei indicates that the cell failed to go through cell division, probably more than once. Dylan T. Burnette, Vanderbilt University School of Medicine. View MediaColor coding of the Drosophila brain - image
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This image results from a research project to visualize which regions of the adult fruit fly (Drosophila) brain derive from each neural stem cell. Yong Wan from Charles Hansen’s lab, University of Utah. Data preparation and visualization by Masayoshi Ito in the lab of Kei Ito, University of Tokyo. View MediaMultivesicular bodies containing intralumenal vesicles assemble at the vacuole 3
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Collecting and transporting cellular waste and sorting it into recylable and nonrecylable pieces is a complex business in the cell. Matthew West and Greg Odorizzi, University of Colorado View MediaBovine trypsin
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A crystal of bovine trypsin protein created for X-ray crystallography, which can reveal detailed, three-dimensional protein structures. Alex McPherson, University of California, Irvine View MediaC. elegans trapped by carnivorous fungus
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Real-time footage of Caenorhabditis elegans, a tiny roundworm, trapped by a carnivorous fungus, Arthrobotrys dactyloides. Michael Shribak, Marine Biological Laboratory/University of Chicago. View MediaZinc levels in a plant leaf
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Zinc is required for the function of more than 300 enzymes, including those that help regulate gene expression, in various organisms including humans. Suzana Car, Dartmouth College View MediaTransmission electron microscopy of myelinated axons with ECM between the axons
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The extracellular matrix (ECM) is most prevalent in connective tissues but also is present between the stems (axons) of nerve cells, as shown here. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View MediaYeast cells with nuclei and contractile rings
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Yeast cells with nuclei shown in green and contractile rings shown in magenta. Nuclei store DNA, and contractile rings help cells divide. Alaina Willet, Kathy Gould’s lab, Vanderbilt University. View MediaCryogenic storage tanks at the Coriell Institute for Medical Research
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Established in 1953, the Coriell Institute for Medical Research distributes cell lines and DNA samples to researchers around the world. Courtney Sill, Coriell Institute for Medical Research View MediaCas9 protein involved in the CRISPR gene-editing technology
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In the gene-editing tool CRISPR, a small strand of RNA identifies a specific chunk of DNA. Janet Iwasa View MediaX-ray crystallography
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X-ray crystallography allows researchers to see structures too small to be seen by even the most powerful microscopes. Crabtree + Company View MediaPlasma-Derived Membrane Vesicles
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This fiery image doesn’t come from inside a bubbling volcano. Instead, it shows animal cells caught in the act of making bubbles, or blebbing. Jeanne Stachowiak, University of Texas at Austin View MediaNuclear Lamina
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The 3D single-molecule super-resolution reconstruction of the entire nuclear lamina in a HeLa cell was acquired using the TILT3D platform. Anna-Karin Gustavsson, Ph.D. View Media 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
