Scientific research is our best defense against emerging threats. Ongoing research about how SARS-CoV-2, the virus that causes COVID-19, impacts the cells it infects is helping to identify new ...

These spiked spheres enveloped by blue tendrils are pollen grains infected with parasitic fungi. Some evidence suggests that the fungus uses these pollen grains to travel to new locations and spread.

What am I looking at? This image is a 1.5-millimeter-thick horizontal slice through the brain of a mouse. It shows the neurons that produce serotonin in purple (1) and pyramidal neurons in green (2).

What am I looking at? These images show a single cell in the middle dividing into two so-called daughter cells. The stage of the cell division process represented here is called anaphase. In these ...

The blue spiral in the center of this field of green and white cells looks as if it might be a seashell. However, it is actually the cochlea of a newborn mouse. The cochlea is an organ in the inner ...

What am I looking at? These are cells derived from monkey kidney tissue, growing in culture. They were filmed at a very slow frame rate overnight, and you are seeing the video played back here at a ...

Imagine going to the dentist with this set of teeth! These are teeth located on a snail’s “tongue,” or radula, also called a rasper, which is constantly licking the ground to scrape up and transport ...

Beauty is all around us. It is everywhere our eyes can see – in the breathtaking majesty of snowcapped mountains, in the tranquil shores of tropical beaches, and in the faces of those we love. But ...

Coronavirus disease 2019 (COVID-19) is a disease caused by SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2). These have become household terms since the start of the global COVID-19 ...

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This video presents a kaleidoscope of colors within brain tissue, each of which represents a different protein within the tissue. The video was created using an innovative microscopy technique called ...

Take a visual journey through some of the major concepts in biology. These pathways to discovery were created by educators to help users explore various biological concepts. We would like to extend a ...