Lung development begins during embryogenesis and continues after birth. It includes branching of airways, formation of ...

Your brain ventricles are four fluid-filled chambers that produce cerebrospinal fluid. This fluid helps nourish your brain and protect it from injury. It would be easy to argue that your brain is the ...

The aging liver undergoes dramatic changes in its functional organization and other key attributes, which may underpin its increasing susceptibility to disease, according to a study led by ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

It is well established that cellulose synthesis in higher plants requires three different but related cellulose synthase (CESA) isoforms. Here the authors provide convincing biochemical and cryo ...

Section 1. Purpose. Dangerous gain-of-function research on biological agents and pathogens has the potential to significantly endanger the lives of American citizens. If left unrestricted, its effects ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

The urinary system helps maintain the volume and chemical composition of fluids in the body. One of the main organs in the system are the kidneys, which filter waste products out of the body through ...

Smoking can cause lungs to look blackened, inflated, and inflamed, but some of the damage is reversible. Depending on the extent of the damage, it could take years for your lungs to regain a healthy, ...

The last time I went to the doctor, I lived in a different zip code, belonged to a different body-weight category, and was rounding out a different decade. I never consciously swore off health care, ...

In patients with chronic kidney disease, the loss of podocytes—part of the kidney's glomerular filtration barrier—causes irreversible disease progression. So far, physicians and researchers have found ...

Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, P. R. China School of Materials Science and Engineering, University of ...