Animals, from worms and sponges to jellyfish and whales, contain anywhere from a few thousand to tens of trillions of nearly genetically identical cells. Depending on the organism, these cells arrange themselves into a variety of tissues and organs, such ...

Researchers propose that placozoans, one of the simplest kinds of animals, may contain the blueprint for the neurons of more complex creatures. By Sam Jones For hundreds of millions of years, pancake-shaped animals about the size of a sharp pencil tip have ...

Cancer is a disease that causes abnormal cells to reproduce and spread to other parts of the body, which can result in tumors or damage to the immune system that may become fatal. Healthy cells follow a cycle of growing, dividing, and dying. Cancer cells ...

Scrawled X’s and O’s dance across the whiteboard behind Hawa Racine Thiam. At first glance, they look similar to drawings from a football playbook. But Thiam is no football coach, and those doodles don’t depict players — they represent cells and ...

Scientists at DKFZ and Heidelberg University Hospital discovered that brain grid cells, once thought to act as a fixed GPS, actually switch between different local reference points depending on the situation.

Georgia Tech and Vanderbilt researchers have built the first lung-on-a-chip with a working immune system, a breakthrough with the potential to reshape how we study disease, move beyond animal testing,