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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.

Podocytes from a chronically diseased kidney

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This scanning electron microscope (SEM) image shows podocytes--cells in the kidney that play a vital role in filtering waste from the bloodstream--from a patient with chronic kidney disease. Olga Troyanskaya, Princeton University and Matthias Kretzler, University of Michigan View Media

X-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 Media

Disrupted and restored vasculature development in frog embryos

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Disassembly of vasculature and reassembly after addition and then washout of 250 µM TBZ in kdr:GFP frogs. Hye Ji Cha, University of Texas at Austin View Media

Cryo-ET cross-section of a rat pancreas cell

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On the left, a cross-section slice of a rat pancreas cell captured using cryo-electron tomography (cryo-ET). On the right, a 3D, color-coded version of the image highlighting cell structures. Xianjun Zhang, University of Southern California. View Media

Superconducting magnet

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Superconducting magnet for NMR research, from the February 2003 profile of Dorothee Kern in Findings. Mike Lovett View Media

HIV Infected Cell

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The human immunodeficiency virus (HIV), shown here as tiny purple spheres, causes the disease known as AIDS (for acquired immunodeficiency syndrome). Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View Media

Circadian rhythm

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The human body keeps time with a master clock called the suprachiasmatic nucleus or SCN. Crabtree + Company View Media

Cytoscape network diagram 1

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Molecular biologists are increasingly relying on bioinformatics software to visualize molecular interaction networks and to integrate these networks with data such as gene expression profiles. Keiichiro Ono, Trey Ideker lab, University of California, San Diego View Media

Yeast cells with nuclear envelopes and tubulin

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Yeast cells with nuclear envelopes shown in magenta and tubulin shown in light blue. The nuclear envelope defines the borders of the nucleus, which houses DNA. Alaina Willet, Kathy Gould’s lab, Vanderbilt University. View Media

Protein from E. faecalis

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X-ray structure of a DNA repair enzyme superfamily representative from the human gastrointestinal bacterium Enterococcus faecalis. Midwest Center for Structural Genomics View Media

mDia1 antibody staining- 02

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Cells move forward with lamellipodia and filopodia supported by networks and bundles of actin filaments. Proper, controlled cell movement is a complex process. Rong Li and Praveen Suraneni, Stowers Institute for Medical Research View Media

Serum albumin structure 3

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Serum albumin (SA) is the most abundant protein in the blood plasma of mammals. SA has a characteristic heart-shape structure and is a highly versatile protein. Wladek Minor, University of Virginia View Media

DNA replication illustration (with labels)

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During DNA replication, each strand of the original molecule acts as a template for the synthesis of a new, complementary DNA strand. Crabtree + Company View Media

Glycoproteins

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About half of all human proteins include chains of sugar molecules that are critical for the proteins to function properly. Judith Stoffer View Media

Electrostatic map of the adeno-associated virus with scale

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The new highly efficient parallelized DelPhi software was used to calculate the potential map distribution of an entire virus, the adeno-associated virus, which is made up of more than 484,000 atoms. Emil Alexov, Clemson University View Media

Hsp33 Heat Shock Protein Inactive to Active

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When the heat shock protein hsp33 is folded, it is inactive and contains a zinc ion, stabilizing the redox sensitive domain (orange). Dana Reichmann, University of Michigan View Media

Proteasome

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This fruit fly spermatid recycles various molecules, including malformed or damaged proteins. Sigi Benjamin-Hong, Rockefeller University View Media

Hippocampal neuron from rodent brain

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Hippocampal neuron from rodent brain with dendrites shown in blue. The hundreds of tiny magenta, green and white dots are the dendritic spines of excitatory synapses. Shelley Halpain, UC San Diego View Media

Dengue virus membrane protein structure

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Dengue virus is a mosquito-borne illness that infects millions of people in the tropics and subtropics each year. Like many viruses, dengue is enclosed by a protective membrane. Hong Zhou, UCLA View Media

Plastic-eating enzymes

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PETase enzyme degrades polyester plastic (polyethylene terephthalate, or PET) into monohydroxyethyl terephthalate (MHET). Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View Media

Cell division with late aligning chromosomes

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This video shows an instance of abnormal mitosis where chromosomes are late to align. Gary Gorbsky, Oklahoma Medical Research Foundation View Media

Atomic Structure of Poppy Enzyme

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The atomic structure of the morphine biosynthetic enzyme salutaridine reductase bound to the cofactor NADPH. The substrate salutaridine is shown entering the active site. Judy Coyle, Donald Danforth Plant Science Center View Media

Aldolase

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2.5Å resolution reconstruction of rabbit muscle aldolase collected on a FEI/Thermo Fisher Titan Krios with energy filter and image corrector. National Resource for Automated Molecular Microscopy http://nramm.nysbc.org/nramm-images/ Source: Bridget Carragher View Media

Network diagram of genes, cellular components and processes (labeled)

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This image shows the hierarchical ontology of genes, cellular components and processes derived from large genomic datasets. From Dutkowski et al. Janusz Dutkowski and Trey Ideker, University of California, San Diego View Media

HIV enzyme

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These images model the molecular structures of three enzymes with critical roles in the life cycle of the human immunodeficiency virus (HIV). Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View Media

Chang Shan

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For thousands of years, Chinese herbalists have treated malaria using Chang Shan, a root extract from a type of hydrangea that grows in Tibet and Nepal. Paul Schimmel Lab, Scripps Research Institute View Media

Automated Worm Sorter - 4

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Georgia Tech associate professor Hang Lu holds a microfluidic chip that is part of a system that uses artificial intelligence and cutting-edge image processing to automatically examine large number of Georgia Tech/Gary Meek View Media

Ribonuclease P structure

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Ribbon diagram showing the structure of Ribonuclease P with tRNA. PDB entry 3Q1Q, molecular modeling by Fred Friedman, NIGMS View Media

Colony of human ES cells

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A colony of human embryonic stem cells (light blue) grows on fibroblasts (dark blue). California Institute for Regenerative Medicine View Media

Sticky stem cells

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Like a group of barnacles hanging onto a rock, these human cells hang onto a matrix coated glass slide. Ankur Singh and Andrés García, Georgia Institute of Technology View Media

Natural nanomachine in action

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Using a supercomputer to simulate the movement of atoms in a ribosome, researchers looked into the core of this protein-making nanomachine and took snapshots. Kevin Sanbonmatsu, Los Alamos National Laboratory View Media

Human fibroblast undergoing cell division

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During cell division, cells physically divide after separating their genetic material to create two daughter cells that are genetically identical to the parent cell. Nilay Taneja, Vanderbilt University, and Dylan T. Burnette, Ph.D., Vanderbilt University School of Medicine. View Media

Pigment cells in the fin of pearl danio

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Pigment cells are cells that give skin its color. David Parichy, University of Washington View Media

Early ribbon drawing of a protein

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This ribbon drawing of a protein hand drawn and colored by researcher Jane Richardson in 1981 helped originate the ribbon representation of proteins that is now ubiquitous in molecular graphics. Jane Richardson, Duke University Medical Center View Media

Cell-free protein synthesizers

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Both instruments shown were developed by CellFree Sciences of Yokohama, Japan. Center for Eukaryotic Structural Genomics View Media

Telomerase illustration

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Reactivating telomerase in our cells does not appear to be a good way to extend the human lifespan. Cancer cells reactivate telomerase. Judith Stoffer View Media

Myelinated axons 2

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Top view of myelinated axons in a rat spinal root. Tom Deerinck, National Center for Microscopy and Imaging Research (NCMIR) View Media

Bioluminescent imaging in adult zebrafish - lateral and overhead view

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Luciferase-based imaging enables visualization and quantification of internal organs and transplanted cells in live adult zebrafish. Kenneth Poss, Duke University View Media

Fruit fly retina 01

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Image showing rhabdomeres (red), the light-sensitive structures in the fruit fly retina, and rhodopsin-4 (blue), a light-sensing molecule. Hermann Steller, Rockefeller University View Media

Fruit fly egg ooplasmic streaming

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Two fruit fly (Drosophila melanogaster) egg cells, one on each side of the central black line. Vladimir I. Gelfand, Feinberg School of Medicine, Northwestern University. View Media

Young squids

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Real-time movie of young squids. Michael Shribak, Marine Biological Laboratory/University of Chicago. View Media

Enzyme reaction

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Enzymes speed up chemical reactions by reducing the amount of energy needed for the reactions. NIGMS View Media

Rotavirus structure

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This image shows a computer-generated, three-dimensional map of the rotavirus structure. This virus infects humans and other animals and causes severe diarrhea in infants and young children. Bridget Carragher, The Scripps Research Institute, La Jolla, CA View Media

Group of fluorescent C. elegans showing muscle and ribosomal protein

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Three C. elegans, tiny roundworms, with a ribosomal protein glowing red and muscle fibers glowing green. Researchers used these worms to study a molecular pathway that affects aging. Jarod Rollins, Mount Desert Island Biological Laboratory. View Media

Developing Arabidopsis flower buds

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Flower development is a carefully orchestrated, genetically programmed process that ensures that the male (stamen) and female (pistil) organs form in the right place and at the right time in the flowe Nathanaël Prunet, Caltech View Media

Protein purification robot in action 01

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A robot is transferring 96 purification columns to a vacuum manifold for subsequent purification procedures. The Northeast Collaboratory for Structural Genomics View Media

Molecular model of freshly made Rous sarcoma virus (RSV)

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Viruses have been the foes of animals and other organisms for time immemorial. Boon Chong Goh, University of Illinois at Urbana-Champaign View Media

Bacteriophage P22 capsid, detail

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Detail of a subunit of the capsid, or outer cover, of bacteriophage P22, a virus that infects the Salmonella bacteria. Dr. Wah Chiu, Baylor College of Medicine View Media

Shiga toxin being sorted inside a cell

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Shiga toxin (green) is sorted from the endosome into membrane tubules (red), which then pinch off and move to the Golgi apparatus. Somshuvra Mukhopadhyay, The University of Texas at Austin, and Adam D. Linstedt, Carnegie Mellon University View Media

Self-organizing proteins

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Under the microscope, an E. coli cell lights up like a fireball. Each bright dot marks a surface protein that tells the bacteria to move toward or away from nearby food and toxins. View Media