Mice genetically engineered to lack the amino acid cysteine, and fed a cysteine-free diet, lost 30 percent of their body weight in a week.

Bone-destructive diseases such as osteoporosis and chronic inflammatory arthritis affect millions of people worldwide, ...

Researchers at the Institute for Basic Science (IBS) have identified a remarkably small but critical piece of genetic code ...

The 2025 Shape Skin Awards team rigorously tested over 800 skincare products and treatments, culminating in 100 winners ...

Venom is a proven source of therapeutic drugs. Now, Los Alamos scientists are using AI to speed up the search for cures.

Proteins are among the most studied molecules in biology, yet new research shows they can still hold surprising secrets. Researchers have discovered previously undetected chemical bonds within ...

This manuscript introduces a useful protein-stability-based fitness model for simulating protein evolution and unifying non-neutral models of molecular evolution with phylogenetic models. The model is ...

By eliminating the essential amino acid cysteine from the diets of mice, and disabling their ability to produce it, ...

Proteins are among the most studied molecules in biology, yet new research from the University of Göttingen shows they can ...

How life arose remains a looming question in science that researchers are seeking to answer by studying the features shared among life today. Everything alive is made up of cells, and what made the ...

BLONZ: Are arginine and L-arginine the same thing? What does the "L" stand for? Thank you.-- V.E., Dover, Delaware.