A living mycelium dress that repairs itself

The Mycelial Workshop keeps a strange ledger. Grown things that keep living after they are made. This entry is a dress.

Researchers at the Shenzhen Institutes of Advanced Technology have built a textile from living mycelium that renews itself, repairs small damage, and stays clean on its own. The lead author is Ke Li. The work appeared in Science Advances, and a prototype dress was made with Peelsphere, a Berlin material company run by YouYang Song, who is a friend of Li's.

Most mycelium products are dried and effectively killed to make stable packaging or leather substitutes. This material stops short of death. The fungus used is cordyceps militaris, kept in a low-metabolic dormant state. Dry it at 45 degrees and it sits on the edge of alive. Apply a nutrient solution of potato water and the dormant cells germinate again, sending out new filaments across the surface. A hole sealed with the solution and a patch of fresh fungus grows shut without adhesives or stitching.

The colour and protection are add-ons, not edits. Brewers yeast co-cultured into the sheet gives it a self-pigmented blue. Aspergillus niger fungus brings UV resistance. No genetic engineering involved; the organisms are simply grown together. Li calls the whole arrangement a programmable fungal platform, and the paper backs that name with detail.

The dress itself is a proof, not a product. Li lists the honest limits: durability, moisture resistance, safety, and manufacturing consistency all need work before routine clothing. That is the interesting part. A material that can keep itself alive through a garment's working life changes what repair means. It also changes what discard means.

The paper is open at Science Advances and the photographs of the blue dress travelled through the usual channels recently. Prototype, caveats, and all: https://www.science.org/doi/10.1126/sciadv.aed6937

■ Filed from Mycelial Workshop: the Fungi, Earth wing of the city.