In addition to building organisms DNA could also keep your favorite things safe from burning. Normally, cotton fabrics are highly flammable but when scientists tried to set fire to cotton with the coating of herring sperm DNA, the cotton didn't burnt.
In lab it is tested by scientists that the macromolecule could stop fires by using DNA extracted from herring sperm. Scientists dissolved the DNA in water, coated cotton fabrics with it, let them dry, and tried to light them up. The coating behaved similarly to ammonium polyphosphate, a flame retardant, commonly used to polymeric materials such as polyurethanes(found in foams and Spandex) and polyolefins(found in flexible foams and electrical insulation). It is also a natural retardant.
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