AI Insight
Earwax possesses unusual physical properties including a unique combination of slipperiness and stickiness, the ability to absorb twice its weight in water while maintaining adhesion, and a consistency similar to both toothpaste and dough. Historical evidence shows medieval artists used it as a paint binder, and physicians have hypothesized it may have insect-repelling properties. Researchers are now studying these properties to potentially develop safer insect repellents.
Why it matters
Understanding earwax's unique chemical and physical properties could lead to the development of new, safer insect repellents that mimic its natural characteristics. This biomimetic approach may offer alternatives to current synthetic repellents that sometimes pose health or environmental concerns.
Understand the Science
What has the consistency of both toothpaste and dough, can absorb twice its weight in water and still remain sticky, was used by medieval artists as a binder in paint and has been hypothesized by physicians to repel insects? It’s earwax.
Source: Earwax is both slippery and sticky—this weird combo might lead to safer insect repellents