Latest Editor's Pics
Human Breast Cancer Cells
This is an image of a three-dimensional culture of human breast cancer cells.
Stem Cells in Young vs. Old Airways
This microscopic image shows stem cells in young (left) and old (right) airways with cell nuclei seen in blue, airway basal stem cells seen in red and ciliated cells seen in green.
A medical illustration of drug-resistant Mycobacterium tuberculosis bacteria.
Developing Fish Spines
A single-letter DNA change in a gene that lays down the pattern for a developing spine in zebrafish caused mutant fish to develop backbones that resemble ancestral fish (bottom image).
Nematode Preparing to Spit
This is a scanning electron micrograph of a Steinernema carpocapsae nematode; this is what they look like when they are spitting venom into their host.
Toxoplasma Host Cells
This image shows two different Toxoplasma host cells changing their shape to migrate.
Mapping Connections in the Mouse Brain
A section of mouse brain stained to identify individual neurons and all their connections. Each color represents a different DNA barcode.
The Social Brain
A cross-section of a mouse brain reveals some of the regions involved in the choice between social approach and avoidance.
Mouse Spinal Cord
Microscopy of spinal cord sample from a mouse model of neurodegeneration.
This image shows a male sexual polyp of the cnidarian Hydractinia symbiolongicarpus, a species of water-residing animals.