A pigment that makes feathers and hair orange helps prevent cellular damage by removing excess cysteine from cells.

A pigment that makes feathers and hair orange helps prevent cellular damage by removing excess cysteine from cells.

It can turn a toxic threat into a splash of color. Scientists studying the orange-to-red melanin in bird feathers have found ...

Orange pigment may limit cellular damage by managing sulfur-rich nutrients, shedding light on why orange coloration persists ...

In a new study of mice, researchers have found that an experimental drug that breaks down the amino acid cysteine slows pancreatic tumor growth by causing ferroptosis, an unusual form of cell death. A ...

Mice genetically engineered to lack the ability to make the amino acid cysteine, and fed a cysteine-free diet, lost 30 percent of their body weight in just one week, a new study shows. Published ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Human hair isn’t the only source of L-cys. You can extract it from poultry feathers ...

All proteins are built from the same 20 amino acids. One of these, cysteine, was assumed not to have been present at the origin of life. In a new study, scientists have recreated how cysteine was ...

You may have read ‘If my hair looks bad, I look bad.’ Well, imagine months of only good hair? Yes, it is possible with cysteine hair treatment. If you are someone who excessively uses the ...