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.

Developing Arabidopsis flower buds

3743

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

Developing zebrafish fin

3598

Originally from the waters of India, Nepal, and neighboring countries, zebrafish can now be found swimming in science labs (and home aquariums) throughout the world. Jessica Plavicki View Media

CRISPR Illustration Frame 2

6486

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 Media

Life of an AIDS virus (with labels and stages)

2515

HIV is a retrovirus, a type of virus that carries its genetic material not as DNA but as RNA. Crabtree + Company View Media

Disease-resistant Arabidopsis leaf

2781

This is a magnified view of an Arabidopsis thaliana leaf a few days after being exposed to the pathogen Hyaloperonospora arabidopsidis. Jeff Dangl, University of North Carolina, Chapel Hill View Media

Repairing DNA

3493

Like a watch wrapped around a wrist, a special enzyme encircles the double helix to repair a broken strand of DNA. Tom Ellenberger, Washington University School of Medicine View Media

Precise development in the fruit fly embryo

2593

This 2-hour-old fly embryo already has a blueprint for its formation, and the process for following it is so precise that the difference of just a few key molecules can change the plans. Thomas Gregor, Princeton University View Media

Hippocampal neuron in culture

3687

Hippocampal neuron in culture. Dendrites are green, dendritic spines are red and DNA in cell's nucleus is blue. Shelley Halpain, UC San Diego View Media

Alternative splicing

2552

Arranging exons in different patterns, called alternative splicing, enables cells to make different proteins from a single gene. Crabtree + Company View Media

Cell division phases in Xenopus frog cells

3442

These images show three stages of cell division in Xenopus XL177 cells, which are derived from tadpole epithelial cells. They are (from top): metaphase, anaphase and telophase. Claire Walczak, who took them while working as a postdoc in the laboratory of Timothy Mitchison 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

Introduction to Genome Editing Using CRISPR/Cas9

5815

Genome editing using CRISPR/Cas9 is a rapidly expanding field of scientific research with emerging applications in disease treatment, medical therapeutics and bioenergy, just to name a few. Janet Iwasa View Media

Disease-susceptible Arabidopsis leaf

2782

This is a magnified view of an Arabidopsis thaliana leaf after several days of infection with the pathogen Hyaloperonospora arabidopsidis. Jeff Dangl, University of North Carolina, Chapel Hill View Media

Trypanosoma brucei, the cause of sleeping sickness

3765

Trypanosoma brucei is a single-cell parasite that causes sleeping sickness in humans. Michael Rout, Rockefeller University View Media

Lily mitosis 05

1015

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

Fruit fly ovaries

6807

Fruit fly (Drosophila melanogaster) ovaries with DNA shown in magenta and actin filaments shown in light blue. This image was captured using a confocal laser scanning microscope.
Vladimir I. Gelfand, Feinberg School of Medicine, Northwestern University. View Media

Ciclo circadiano de un adolescente típico

6612

Los ritmos circadianos son cambios físicos, mentales y conductuales que siguen un ciclo de 24 horas. NIGMS View Media

Nucleolus subcompartments spontaneously self-assemble 2

3791

The nucleolus is a small but very important protein complex located in the cell's nucleus. Nilesh Vaidya, Princeton University View Media

Symmetrically and asymmetrically elongating cells

3648

Merged fluorescent images of symmetrically (left) or asymmetrically (right) elongating HeLa cells at the end of early anaphase (magenta) and late anaphase (green). Tomomi Kiyomitsu and Iain M. Cheeseman, Whitehead Institute for Biomedical Research View Media

Brain showing hallmarks of Alzheimer's disease

3604

Along with blood vessels (red) and nerve cells (green), this mouse brain shows abnormal protein clumps known as plaques (blue). Alvin Gogineni, Genentech View Media

Induced stem cells from adult skin 02

2604

These cells are induced stem cells made from human adult skin cells that were genetically reprogrammed to mimic embryonic stem cells. James Thomson, University of Wisconsin-Madison View Media

Sponge

2728

Many of today's medicines come from products found in nature, such as this sponge found off the coast of Palau in the Pacific Ocean. Phil Baran, Scripps Research Institute 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

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

Circadian rhythm (with labels)

2569

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

Meiosis illustration (with labels)

2546

Meiosis is the process whereby a cell reduces its chromosomes from diploid to haploid in creating eggs or sperm. Crabtree + Company View Media

Lily mitosis 11

1011

A light microscope image of cells 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

Nucleotides make up DNA (with labels)

2542

DNA consists of two long, twisted chains made up of nucleotides. Each nucleotide contains one base, one phosphate molecule, and the sugar molecule deoxyribose. Crabtree + Company View Media

Nucleolus subcompartments spontaneously self-assemble 3

3792

What looks a little like distant planets with some mysterious surface features are actually assemblies of proteins normally found in the cell's nucleolus, a small but very important protein complex lo Nilesh Vaidya, Princeton University View Media

Epigenetic code (with labels)

2563

The "epigenetic code" controls gene activity with chemical tags that mark DNA (purple diamonds) and the "tails" of histone proteins (purple triangles). Crabtree + Company View Media

EM of yeast cell division

5770

Cell division is an incredibly coordinated process. Matthew West and Greg Odorizzi, University of Colorado View Media

Lily mitosis 12

1018

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

CRISPR Illustration Frame 4

6488

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 Media

Lily mitosis 13

1019

A light microscope image of cells 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

Endoplasmic reticulum abnormalities 2

6774

Human cells with the gene that codes for the protein FIT2 deleted. After an experimental intervention, they are expressing a nonfunctional version of FIT2, shown in green. Michel Becuwe, Harvard University. View Media

A multicolored fish scale 2

3783

Each of the tiny colored specs in this image is a cell on the surface of a fish scale. Chen-Hui Chen and Kenneth Poss, Duke University View Media

Arabidopsis Thaliana: Flowers Spring to Life

6503

This image capture shows how a single gene, STM, plays a starring role in plant development. Nathanaёl Prunet NIH Support: National Institute of General Medical Sciences View Media

Lily mitosis 06

1016

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

Dynamic cryo-EM model of the human transcription preinitiation complex

5730

Gene transcription is a process by which information encoded in DNA is transcribed into RNA. Eva Nogales, Berkeley Lab View Media

RNA interference

2558

RNA interference or RNAi is a gene-silencing process in which double-stranded RNAs trigger the destruction of specific RNAs. Crabtree + Company View Media

Meiosis illustration

2545

Meiosis is the process whereby a cell reduces its chromosomes from diploid to haploid in creating eggs or sperm. Crabtree + Company View Media

Cross section of a Drosophila melanogaster pupa

2758

This photograph shows a magnified view of a Drosophila melanogaster pupa in cross section. Compare this normal pupa to one that lacks an important receptor, shown in image 2759. Christina McPhee and Eric Baehrecke, University of Massachusetts Medical School View Media

Two-headed Xenopus laevis tadpole

2755

Xenopus laevis, the African clawed frog, has long been used as a research organism for studying embryonic development. Michael Klymkowsky, University of Colorado, Boulder View Media

Mapping human genetic variation

2443

This map paints a colorful portrait of human genetic variation around the world. Noah Rosenberg and Martin Soave, University of Michigan View Media

Birth of a yeast cell

3614

Yeast make bread, beer, and wine. And like us, yeast can reproduce sexually. A mother and father cell fuse and create one large cell that contains four offspring. Juergen Berger, Max Planck Institute for Developmental Biology, and Maria Langegger, Friedrich Miescher Laboratory of the Max Planck Society, Germany View Media

Telomeres on outer edge of nucleus during cell division

3484

New research shows telomeres moving to the outer edge of the nucleus after cell division, suggesting these caps that protect chromosomes also may play a role in organizing DNA. Laure Crabbe, Jamie Kasuboski and James Fitzpatrick, Salk Institute for Biological Studies View Media

Genetic imprinting in Arabidopsis

2418

This delicate, birdlike projection is an immature seed of the Arabidopsis plant. The part in blue shows the cell that gives rise to the endosperm, the tissue that nourishes the embryo. Robert Fischer, University of California, Berkeley View Media

Induced stem cells from adult skin 03

2605

The human skin cells pictured contain genetic modifications that make them pluripotent, essentially equivalent to embryonic stem cells. James Thomson, University of Wisconsin-Madison View Media

Nucleosome

2741

Like a strand of white pearls, DNA wraps around an assembly of special proteins called histones (colored) to form the nucleosome, a structure responsible for regulating genes and condensing DNA strand Karolin Luger, Colorado State University View Media

Automated Worm Sorter - 4

3475

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