Switch to Gallery View

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.

Circadian rhythm neurons in the fruit fly brain

3754

Some nerve cells (neurons) in the brain keep track of the daily cycle. This time-keeping mechanism, called the circadian clock, is found in all animals including us. Justin Blau, New York University View Media

ATP synthase (with labels)

2518

The world's smallest motor, ATP synthase, generates energy for the cell. See image 2517 for an unlabeled version of this illustration. Crabtree + Company View Media

Lily mitosis 04

1014

A light microscope image of a cell from the endosperm of an African globe lily (Scadoxus katherinae). This is one frame of a time-lapse sequence that shows cell division in action. Andrew S. Bajer, University of Oregon, Eugene View Media

Glycan arrays

1265

The signal is obtained by allowing proteins in human serum to interact with glycan (polysaccharide) arrays. The arrays are shown in replicate so the pattern is clear. Ola Blixt, Scripps Research Institute View Media

Chromosome inside nucleus (with labels)

2540

The long, stringy DNA that makes up genes is spooled within chromosomes inside the nucleus of a cell. Crabtree + Company View Media

Arabidopsis leaf injected with a pathogen

2780

This is a magnified view of an Arabidopsis thaliana leaf eight days after being infected with the pathogen Hyaloperonospora arabidopsidis, which is closely related to crop pathogens that Jeff Dangl, University of North Carolina, Chapel Hill View Media

Plasma membrane

2523

The plasma membrane is a cell's protective barrier. See image 2524 for a labeled version of this illustration. Featured in The Chemistry of Health. Crabtree + Company View Media

Dolly the sheep

2690

Scientists in Scotland were the first to clone an animal, this sheep named Dolly. She later gave birth to Bonnie, the lamb next to her. View Media

Endothelial cell

1102

This image shows two components of the cytoskeleton, microtubules (green) and actin filaments (red), in an endothelial cell derived from a cow lung. Tina Weatherby Carvalho, University of Hawaii at Manoa View Media

Electrostatic map of human spermine synthase

3658

From PDB entry 3c6k, Crystal structure of human spermine synthase in complex with spermidine and 5-methylthioadenosine. Emil Alexov, Clemson University View Media

Hydra 05

2441

Hydra magnipapillata is an invertebrate animal used as a model organism to study developmental questions, for example the formation of the body axis. Hiroshi Shimizu, National Institute of Genetics in Mishima, Japan View Media

Oligoendopeptidase F from B. stearothermophilus

2373

Crystal structure of oligoendopeptidase F, a protein slicing enzyme from Bacillus stearothermophilus, a bacterium that can cause food products to spoil. Accelerated Technologies Center for Gene to 3D Structure/Midwest Center for Structural Genomics View Media

NMR spectrometer

2371

This photo shows a Varian Unity Inova 900 MHz, 21.1 T standard bore magnet Nuclear Magnetic Resonnance (NMR) spectrometer. Center for Eukaryotic Structural Genomics View Media

Mapping brain differences

2419

This image of the human brain uses colors and shapes to show neurological differences between two people. Arthur Toga, University of California, Los Angeles View Media

Staphylococcus aureus in the porous coating of a femoral hip stem

6804

Staphylococcus aureus bacteria (blue) on the porous coating of a femoral hip stem used in hip replacement surgery. Paul Stoodley, The Ohio State University. View Media

Histones in chromatin

2560

Histone proteins loop together with double-stranded DNA to form a structure that resembles beads on a string. Crabtree + Company View Media

Mouse cerebellum close-up

3371

The cerebellum is the brain's locomotion control center. Every time you shoot a basketball, tie your shoe or chop an onion, your cerebellum fires into action. National Center for Microscopy and Imaging Research (NCMIR) View Media

Morphine Structure

3438

The chemical structure of the morphine molecule Judy Coyle, Donald Danforth Plant Science Center View Media

DDR2 Receptors Attach to Collagen in Breast Tumor

3478

On the left, the boundary of a breast tumor (yellow) attaches to collagen fibers that are closest to it (green) using DDR2. On the right, a tumor without DDR2 remains disconnected from the collagen. Callie Corsa and Suzanne Ponik, Washington University School of Medicine in St. Louis View Media

Podocytes from a chronically diseased kidney

3565

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

Human aspartoacylase

2352

Model of aspartoacylase, a human enzyme involved in brain metabolism. Center for Eukaryotic Structural Genomics, PSI View Media

Fruit fly brain responds to adipokines

6985

Drosophila adult brain showing that an adipokine (fat hormone) generates a response from neurons (aqua) and regulates insulin-producing neurons (red).
Akhila Rajan, Fred Hutchinson Cancer Center View Media

Dicer generates microRNAs

2556

The enzyme Dicer generates microRNAs by chopping larger RNA molecules into tiny Velcro®-like pieces. MicroRNAs stick to mRNA molecules and prevent the mRNAs from being made into proteins. Crabtree + Company View Media

Yeast cells pack a punch

3788

Although they are tiny, microbes that are growing in confined spaces can generate a lot of pressure. In this video, yeast cells grow in a small chamber called a microfluidic bioreactor. Oskar Hallatschek, UC Berkeley View Media

Rhodopsin bound to visual arrestin

6768

Rhodopsin is a pigment in the rod cells of the retina (back of the eye). It is extremely light-sensitive, supporting vision in low-light conditions. Protein Data Bank. View Media

Flagellated bacterial cells

7014

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 Media

Rotavirus structure

3584

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

Bacterial cells migrating through the tissues of the squid light organ

7015

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 Media

Fruit fly egg ooplasmic streaming

6809

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

Bacterial ribosome assembly

6578

3D reconstructions of two stages in the assembly of the bacterial ribosome created from time-resolved cryo-electron microscopy images. Ribosomes translate genetic instructions into proteins. Joachim Frank, Columbia University. View Media

Motion in the brain

2323

Amid a network of blood vessels and star-shaped support cells, neurons in the brain signal each other. The mists of color show the flow of important molecules like glucose and oxygen. Kim Hager and Neal Prakash, University of California, Los Angeles View Media

Drugs enter skin

2531

Drugs enter different layers of skin via intramuscular, subcutaneous, or transdermal delivery methods. See image 2532 for a labeled version of this illustration. Crabtree + Company View Media

Zebrafish embryo

3644

Just 22 hours after fertilization, this zebrafish embryo is already taking shape. By 36 hours, all of the major organs will have started to form. Philipp Keller, Bill Lemon, Yinan Wan, and Kristin Branson, Janelia Farm Research Campus, Howard Hughes Medical Institute, Ashburn, Va. View Media

Motor neuron progenitors derived from human ES cells

3280

Motor neuron progenitors (green) were derived from human embryonic stem cells. Image and caption information courtesy of the California Institute for Regenerative Medicine. Hans Keirstead lab, University of California, Irvine, via CIRM View Media

Body toxins

2496

Body organs such as the liver and kidneys process chemicals and toxins. These "target" organs are susceptible to damage caused by these substances. Crabtree + Company View Media

Histone deacetylases

7001

The human genome contains much of the information needed for every cell in the body to function. However, different types of cells often need different types of information. Amy Wu and Christine Zardecki, RCSB Protein Data Bank. View Media

Automated crystal screening system

2362

Automated crystal screening systems such as the one shown here are becoming a common feature at synchrotron and other facilities where high-throughput crystal structure determination is being carried Southeast Collaboratory for Structural Genomics View Media

Ribonuclease P structure

3660

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

Biofilm blocking fluid flow

3446

This time-lapse movie shows that bacterial communities called biofilms can create blockages that prevent fluid flow in devices such as stents and catheters over a period of about 56 hours. Bonnie Bassler, Princeton University View Media

Recombinant DNA (with labels)

2565

To splice a human gene (in this case, the one for insulin) into a plasmid, scientists take the plasmid out of an E. Crabtree + Company View Media

Lipid raft

1285

Researchers have learned much of what they know about membranes by constructing artificial membranes in the laboratory. Judith Stoffer View Media

Spreading Cells- 02

3329

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

Anti-tumor drug ecteinascidin 743 (ET-743), structure without hydrogens 02

2795

Ecteinascidin 743 (ET-743, brand name Yondelis), was discovered and isolated from a sea squirt, Ecteinascidia turbinata, by NIGMS grantee Kenneth Rinehart at the University of Illinois. Timothy Jamison, Massachusetts Institute of Technology View Media

Early life of a protein

2740

This illustration represents the early life of a protein—specifically, apomyoglobin—as it is synthesized by a ribosome and emerges from the ribosomal tunnel, which contains the newly formed protein's Silvia Cavagnero, University of Wisconsin, Madison View Media

Microtubules and tau aggregates

6892

Microtubules (magenta) and tau protein (light blue) in a cell model of tauopathy. Melike Lakadamyali, Perelman School of Medicine at the University of Pennsylvania. View Media

Misfolded proteins within in the mitochondria

5878

Misfolded proteins (green) within mitochondria (red). Related to video 5877. Rong Li rong@jhu.edu Department of Chemical and Biomolecular Engineering, Whiting School of Engineering, Johns Hopkins University, Baltimore, Maryland 21218, USA. View Media

Kinesin moves cellular cargo

3491

A protein called kinesin (blue) is in charge of moving cargo around inside cells and helping them divide. Charles Sindelar, Yale University View Media

Sea urchin embryo 06

1052

Stereo triplet of a sea urchin embryo stained to reveal actin filaments (orange) and microtubules (blue). George von Dassow, University of Washington View Media

Mouse heart muscle cells 02

3283

This image shows neonatal mouse heart cells. These cells were grown in the lab on a chip that aligns the cells in a way that mimics what is normally seen in the body. Kara McCloskey lab, University of California, Merced, via CIRM View Media

Chromosome fiber 01

2475

This microscopic image shows a chromatin fiber--a DNA molecule bound to naturally occurring proteins. Marc Green and Susan Forsburg, University of Southern California View Media