Scientists discovered that axons don’t quite look like straight cables. Instead, axons often appear like pearls on a string.

Nathan Fillion teases Guy Gardner's “Lanterns” debut: 'A little bit higher strung' (exclusive) U.S. prepares to order ...

Doctors examine a tumor in several different ways to determine whether a cancer is aggressive – and what kinds of treatments, if any, might work best.

The stem cell-based embryo model (SCBEM) takes advantage of the flexibility of pluripotent stem cells (non-reproductive cells ...

Not all DNA looks like the familiar twisted ladder. Sometimes, parts of our genetic code fold into unusual shapes. One such ...

Medically reviewed by Katlein Franca, MD Skin cancer is a type of cancer that begins in the skin cells, and its appearance can vary widely depending on the type of cancer. Understanding the variations ...

"No one has ever profiled tissues like this before," says Dr. Reina-Campos. "Spatial transcriptomics enables us to look at hundreds of thousands of cells and thousands of genes in prostate tissues." ...

Neurons talk to one another using electricity. If you could hear these impulses, they might sound like constant, rapid-fire ...

And what does it mean for a cancer to be hormone ... Grade 1 means the cancer cells present look a lot like normal, healthy cells. Grade 5 means the cancer cells look very abnormal.

But what exactly does that mean ... the prostate that are assigned a grade of 1 look most like normal prostate tissue, but grade 5 cells look "very abnormal." The grades of the two most common ...

What is a Gleason score, and what does Biden’s mean ... The numbers represent the proportion of prostate cells that look malignant rather than normal under a microscope; a higher number ...

And what does it mean for a cancer to be hormone ... Grade 1 means the cancer cells present look a lot like normal, healthy cells. Grade 5 means the cancer cells look very abnormal.