Northwestern Medicine scientists have discovered that one of the body's most fundamental biological processes—how red blood ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Each human is a ...

A human female is born with all the egg cells she will ever have. The possibility for the development of new oocytes is zero. Given this constraint, it is crucial that these gametes remain healthy and ...

The DNA of human cells consists of a sequence of about 3.1 billion building blocks. Cells go to great lengths to maintain the integrity of this vast store of information. They constantly untangle ...

Alzheimer’s disease has long looked like a slow-motion wildfire, starting in one part of the brain and then advancing along mysterious routes. A new cellular finding now offers a concrete explanation ...

Typically, bone marrow research relies heavily on animal models and oversimplified cell cultures in the laboratory. Now, researchers from the Department of Biomedicine at the University of Basel and ...

Why do immune cells that are supposed to eliminate viruses suddenly turn against our own body? There are instances where killer T cells—which are meant to precisely remove virus-infected ...

Scientists have discovered a method of helping human stem cells thrive in an animal embryo—a key development in efforts to grow human organs in animals for medical transplants. A study by UT ...

Preclinical study showed iRECs Integrated into host vascular network and revascularized the ischemic eye, rescuing the tissue.