A legendary golden fabric lost for 2,000 years has returned

Researchers in South Korea have recreated the legendary “sea silk” once prized by emperors, using fibers from a clam cultivated in Korean coastal waters. They discovered that its famous golden shine comes from tiny protein structures that reflect light rather than from pigments or dyes. Because the color is built into the fiber’s structure, it can remain vibrant for centuries.

Raccontata dasciencedaily.com