Mixing varieties of cotton to produce non-flammable fabrics

https://phys.org/news/2023-01-varieties-cotton-non-flammable-fabrics.html

"some brown varieties of cotton have flame-retardant qualities... USDA has been breeding and interbreeding cotton for many years, hoping to find new varieties with better traits... four of the five samples not only withstood the application of a flame, but extinguished it. The researchers also tested the fabrics they made to see if they had lost any of their desirable characteristics such as resistance to burning even after being washed and worn many times"

Related: Cocoa pods—a source of chocolate, and potentially, flame retardants

https://phys.org/news/2023-10-cocoa-podsa-source-chocolate-potentially.html