Muscles are formed by the merging of many small myoblasts into larger myofibers. This fusion of mononucleated myoblasts with a single nucleus into multinucleated myofibers with multiple nuclei is an ...

Coxiella burnetii bacteria live naturally in larger mammals common on farms, such as cows, sheep, and goats. Often, the bacteria don’t cause any illness in the host animal, though infections are ...

It’s amazing how monstrous tiny animals can look when viewed up close. This particular monster is a tick. This image gives us a great view of the backward-facing spikes that line the bottom of the ...

To enhance students’ engagement with and deepen their understanding of the concept of life, consider pairing this narrative with the following classroom resources: The HHMI BioInteractive activity ...

This little mantis looks as if it might be posing for Instagram. However, with its wings extended like this, it is actually getting ready to defend itself. Learn more Get a closer view of the image ...

Dendritic cells are a key part of our immune system. They present antigens to other cells in the immune system, signaling the presence of a pathogen and conveying the ability to recognize it. T cells ...